000 00305nam a2200133Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a510
_bDAS
100 _aDass,H.K.
245 0 _aAdvanced engineering mathematics
250 _a2nd
260 _adelhi
_bS.Chand
_c1990
300 _a770
942 _2ddc
999 _c33243
_d33243