000 00295nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a621.3819535 U416
100 _aULLMAN,J.D
245 0 _aPRINCIPLES OF DATA BASE SYSTEMS
260 _bGALGOTIA, DELHI
_c1996
300 _a24X16
942 _cBK
999 _c62029
_d62029