1.
E-Librarian Service: User-Friendly Semantic Search in Digital Libraries (X.media.publishing)
by Linckels, Serge, Meinel, Ch...
ISBN: 9783642177422
List Price: $69.95
2.
E-Librarian Service: User-Friendly Semantic Search in Digital Libraries (X.media.publishing)
by Serge Linckels, Christoph M...
ISBN: 9783642267758
List Price: $99.00