David Fulker Sharon S. Dawes Leonid A. Kalinichenko Tamara Sumner Costantino Thanos Alex Ushakov Digital library collaborations in a world community. 135 2001 conf/jcdl/2001 JCDL http://doi.acm.org/10.1145/379437.379469 db/conf/jcdl/jcdl2001.html#FulkerDKSTU01