



@book{ spreerkhuenel,
  author =           {Spreer, J. and Khuenel, W.},
  title =            {Combinatorial properties of the K3 surface: Simplicial
                      blowups and slicings},
  publisher =        {Experimental Mathematics Volume 20 Issue 2},
  year =             {2011},
  printedkey =       {SK11}
}
@book{ milnor,
  author =           {Milnor, J.},
  title =            {On simply connected 4-manifolds},
  publisher =        {International   symposium   on   algebraic   topology,
                      Universidad  Nacional  Autonoma  de Mexico and UNESCO,
                      Mexico City},
  year =             {1958},
  printedkey =       {Mil58}
}
@book{ hatcher,
  author =           {Hatcher, A.},
  title =            {Algebraic Topology},
  publisher =        {Available online},
  year =             {2001},
  url =              {http://pi.math.cornell.edu/\texttt{\symbol{126}}hatcher/AT/ATplain.pdf},
  printedkey =       {Hat01}
}
@book{ ksontini,
  author =           {Ksontini, R.},
  title =            {Proprietes  homotopiques  du  complexe  de  Quillen du
                      groupe symetrique},
  publisher =        {These de doctorat, Universitet de Lausanne},
  year =             {2000},
  url =              {http://sma.epfl.ch/\texttt{\symbol{126}}thevenaz/theses/Ksontini{\textunderscore}thesis.pdf},
  printedkey =       {Kso00}
}
@book{ bergeron,
  author =           {Bergeron, N.},
  title =            {Torsion homology growth in arithmetic groups},
  publisher =        {EuropeanMathematical  Society,  European  Congress  of
                      Mathematicians, July 18-22},
  year =             {2016},
  url =              {https://www.ems-ph.org/books/book.php?proj{\textunderscore}nr=220},
  printedkey =       {Ber16}
}
@book{ rahmthesis,
  author =           {Rahm, A.},
  title =            {Cohomologies  and  $K$-theory  of Bianchi groups using
                      computational geometric models},
  publisher =        {These   de   doctorat,  Universite  Joseph-Fourier  --
                      Grenoble I},
  year =             {2010},
  url =              {https://tel.archives-ouvertes.fr/tel-00526976v6},
  printedkey =       {Rah10}
}
@book{ stein,
  author =           {Stein, W.},
  title =            {Modular forms, a computational approach},
  publisher =        {AMS Graduate Studies in Mathematics},
  volume =           {79},
  year =             {2007},
  url =              {https://wstein.org/books/modform/modform/},
  printedkey =       {Ste07}
}
@book{ wieser,
  author =           {Wieser, G.},
  title =            {Computational arithmetic of modular forms},
  publisher =        {Universitat Duisburg-Essen},
  year =             {2007/8},
  url =              {http://math.uni.lu/\texttt{\symbol{126}}wiese/notes/MFII.pdf},
  printedkey =       {Wie/8}
}
@article{ eichler,
  author =           {Eichler, M.},
  title =            {Eine Verallgemeinerung der Abelschen Integrale},
  journal =          {Mathematische Zeitschrift},
  volume =           {67},
  year =             {1957},
  pages =            {267--298},
  issn =             {0025-5874},
  mrnumber =         {0089928},
  printedkey =       {Eic57}
}
@article{ sengun,
  author =           {Sengun, M. H.},
  title =            {On the Integral Cohomology of Bianchi Groups},
  journal =          {Experimental Mathematics},
  volume =           {20(4)},
  year =             {2011},
  pages =            {487--505},
  issn =             {1058-6458 print},
  printedkey =       {Sen11}
}
@article{ schoennenbeck,
  author =           {Braun,   O.  and  Coulangeon,  R.  and  Nebe,  G.  and
                      Schoennenbeck, S.},
  title =            {Computing      in      arithmetic      groups     with
                      Vorono{\"\i}{\textquoteright}s algorithm},
  journal =          {J. Algebra},
  volume =           {435},
  year =             {2015},
  pages =            {263--285},
  printedkey =       {BCNS15}
}
@article{ swan,
  author =           {Swan, R.},
  title =            {Generators  and  relations  for certain general linear
                      groups},
  journal =          {Advances in Mathematics},
  volume =           {6},
  year =             {1971},
  pages =            {1--77},
  mrnumber =         {0284516},
  printedkey =       {Swa71}
}
@article{ atkinlehner,
  author =           {Atkin, A. and Lehner, J.},
  title =            {Hecke operators on $\Gamma_0(m)$},
  journal =          {Math. Ann.},
  volume =           {185},
  year =             {1970},
  pages =            {134--160},
  printedkey =       {AL70}
}
@article{ kulkarni,
  author =           {Kulkarni, R.},
  title =            {An  arithmetic-geometric  method  in  the study of the
                      subgroups of the modular group},
  journal =          {American Journal of Mathematics},
  volume =           {113, No. 6},
  year =             {1991},
  pages =            {1053--1133},
  url =              {https://www.jstor.org/stable/2374900},
  printedkey =       {Kul91}
}
@article{ shimura,
  author =           {Shimura, G.},
  title =            {Sur les integrales attachees aux formes automorphes},
  journal =          {Journal of the Mathematical Society of Japan},
  volume =           {67},
  year =             {1959},
  pages =            {291--311},
  issn =             {0025-5645},
  mrnumber =         {0120372},
  printedkey =       {Shi59}
}
@article{ MR1758871,
  author =           {Satoh, S.},
  title =            {Virtual knot presentation of ribbon torus-knots},
  journal =          {J. Knot Theory Ramifications},
  volume =           {9},
  number =           {4},
  year =             {2000},
  pages =            {531--542},
  fjournal =         {Journal of Knot Theory and its Ramifications},
  issn =             {0218-2165},
  mrclass =          {57Q45 (57M25)},
  mrnumber =         {1758871},
  mrreviewer =       {Seiichi Kamada},
  url =              {https://doi.org/10.1142/S0218216500000293},
  doi =              {10.1142/S0218216500000293},
  printedkey =       {Sat00}
}
@article{ MR2441256,
  author =           {Kauffman, L. H. and Faria Martins, J.},
  title =            {Invariants  of welded virtual knots via crossed module
                      invariants of knotted surfaces},
  journal =          {Compos. Math.},
  volume =           {144},
  number =           {4},
  year =             {2008},
  pages =            {1046--1080},
  fjournal =         {Compositio Mathematica},
  issn =             {0010-437X},
  mrclass =          {57M25 (57Q45)},
  mrnumber =         {2441256},
  mrreviewer =       {Riccardo Piergallini},
  url =              {https://doi.org/10.1112/S0010437X07003429},
  doi =              {10.1112/S0010437X07003429},
  printedkey =       {KM08}
}
@article{ buiellis,
  author =           {Bui, A. and Ellis, G.},
  title =            {The homology of $SL_2(\mathbb Z[1/m])$ for small $m$},
  journal =          {Journal of Algebra},
  volume =           {408},
  year =             {2014},
  pages =            {102--108},
  url =              {https://www.sciencedirect.com/science/article/pii/S002186931300625X},
  printedkey =       {BE14}
}
@article{ ellisharrisskoldberg,
  author =           {Ellis, G. and Harris, J. and Skoldberg, E.},
  title =            {Polytopal resolutions for finite groups},
  journal =          {J. Reine Angew. Math.},
  volume =           {598},
  year =             {2006},
  pages =            {131--137},
  printedkey =       {EHS06}
}
@article{ brownloday,
  author =           {Brown, R. and Loday, J.-L.},
  title =            {Van Kampen theorems for diagrams of spaces},
  journal =          {Topology},
  volume =           {26},
  year =             {1987},
  pages =            {311--335},
  printedkey =       {BL87}
}
