000 00290nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a510
_bDAS
100 _aDass,H.K.
245 0 _aAdvanced engineering mathematics
260 _bS.Chand
_aNew Delhi
_c1997
300 _a1084p.
942 _2ddc
999 _c9430
_d9430