000 00237nam a2200097Ia 4500
008 160710s1980 xx 000 0 und d
100 _aSARNA,J.S AND SHARMA,G.S
245 _aENGINEERING MATHMATICS
260 _bCRS
_c1980
942 _2ddc
_cD
999 _c69581
_d69581