TY - BOOK ID - 140827483 TI - Data base systems : proceedings of the symposium, Bad Homburg, September 24-26, 1975 AU - Hasselmeier, H. AU - Spruth, W.G. PY - 1976 PB - Berlin, Heidelberg, New York Springer DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140827483 AB - ER -