00000nam a2200000 a 4500 20251202164223.0 001.64, KOR/MAN KORTH,HENRY F. DATA BASE SYSTEM CONCEPTS NEW YORK MCGRAW-HILL 1986 546P., 22CM. COMPUTER SCIENCE DATA MODELS DATA ABSTRACTION DATA BASE USERS _ 3610 C 3830 3830 0 0 0 0 PU PU 1998-04-08 47.50 0 001.64, KOR/MAN 3610 BK