000 00294nam a2200121Ia 4500
008 160710s1980 xx 000 0 und d
082 _a001.64 ULL
100 _aULLMAN
245 _aPRINCIPLES OF DATA BASE SYSTEMS
260 _bCOMPUTER SCIENCE PRESS
_c1980
300 _a378
942 _2ddc
_cB
999 _c49087
_d49087