000 00218 a2200097 4500
001 35946
100 _aHeld Gilbert
245 _aIBM PC At user's reference man
260 _aDelhi
_bBPB Pub
_c
090 _c23496
_d23496
942 _aNUST-CAE
_cM
_c14998
999 _c271019
_d271019