https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hopkinson%2C%20Alan%2C%22&sort_by=title_az&format=rss 5 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134501 París : UNESCO, 1992 .
193 p. , Incluye bibliografía

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134501 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=135708 By Hopkinson, Alan.
Paris : UNESCO, 1992. .
127 p. , Incluye bibliografía

]]> Place hold on CCF/F : the common communication format for factual information/ by Alan Hopkinson; Peter Simmons.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=135708 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=136719 Paris : UNESCO, 1984. .
iv, 185 p.

]]> Place hold on CCF: The Common Communication Format/ Edited by Peter Simmons; Alan Hopkinson.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=136719 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134515 By Hopkinson, Alan.
París : UNESCO, 1993 .
63 p.

]]> Place hold on Implementation notes for users of the common communication format for bibliographic information (CCF/B) /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134515 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134508 By Hopkinson, Alan.
París : UNESCO, 1993 .
49 p. , Incluye bibliografía

]]> Place hold on Implementation notes for uses of the common communication format for actual information (CCF/F) /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=134508