TY - BOOK ID - 140068948 TI - On-line library and network systems : symposium (...) Dortmund March 22-24, 1976 AU - Edelhoff, E. AU - Lehmann, K.-D. PY - 1977 PB - Frankfurt am Main Klostermann DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140068948 AB - ER -