00321nam a2200121Ia 4500008004100000041001200041082001600053100001600069245005600085260003400141300000800175650001600183221030s9999    xx            000 0 und d  aEnglish  a105.23bDes  aB. C. Desai 3aAn Introduction to Database systemscby B. C. Desai  bGalgotia PubaNew Delhic1999  a820  aBE Computer