David M. Nichols Duncan Pemberton Salah Dalhoumi Omar Larouk Claire Belisle Michael Twidale DEBORA: Developing an Interface to Support Collaboration in a Digital Library. 239-248 2000 conf/ercimdl/2000 ECDL http://link.springer.de/link/service/series/0558/bibs/1923/19230239.htm db/conf/ercimdl/ecdl2000.html#NicholsPDLBT00