000 00294nam a2200109Ia 4500
008 220117s9999||||xx |||||||||||||| ||und||
040 _cIAB
082 _a001.642 BOR
100 _aBorkin,Sheldon A
245 0 _aData Models; A Semantic Approach For Database System
260 _bThe Mit Press
_c1980
999 _c29508
_d29508