000 00266nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aMary E S Loomis
245 0 _aData management & file structures
250 _a2nd
260 _aNew Delhi
_bPHI
_c2000
942 _cBK
999 _c10595
_d10595