by ECDL 2001 – 5th European Conference on Digital Libraries, September 4-9, 2001, Darmstadt, Germany.
Panos Constantopoulos, Ingeborg Sølvberg: Research and Advanced Technology for Digital Libraries, 5th European Conference, ECDL 2001, Darmstadt, Germany, September 4-9, 2001, Proceedings. Lecture Notes in Computer Science 2163, Springer 2001, ISBN 3-540-42537-3
