000 00300nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
082 _a510
_bDAS
100 _aDass, H.K.
245 0 _aEngineering Mathematics
260 _aDelhi
_bCBS, Publishers & distributors
_c1979
300 _a346
942 _2ddc
999 _c21639
_d21639