ftp.ntua.gr:/mirror/ctan/fonts/cmathbb/doc/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] cmathbb.tex                                      17-Sep-2020 17:14  5.8K  
[   ] cmathbb.pdf                                      17-Sep-2020 17:14   69K
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