ftp.ntua.gr:/mirror/ctan/biblio/bibtex/utils/bibtool/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] ref_card.pdf                                     13-Apr-2020 18:23  323K  
[   ] c_lib.pdf                                        13-Apr-2020 18:23  489K  
[   ] bibtool.pdf                                      13-Apr-2020 18:23  835K  
[TXT] README.md                                        13-Apr-2020 18:23  4.1K  
[TXT] BibTool-2.68.tar.gz.asc                          13-Apr-2020 18:23  488   
[   ] BibTool-2.68.tar.gz                              13-Apr-2020 18:23  728K
Apache/2.2 Server at ftp.grnet.gr Port 80