000 00275nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a510
100 _aVishwa nath
245 0 _aEngineering mathsmatics
260 _bSatya prakasahan
_c1971
300 _a978
942 _2ddc
999 _c78826
_d78826