000 00294nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.14 ALL
100 _aALLEN (SHARON)
245 _aBEGINING RELATIONAL DATA MODELING
260 _aNew Delhi
_bA PRESS A
365 _cRS
999 _c181565
_d181565