000 00294nam a2200121Ia 4500
008 170101s1990 xx 000 0 und d
082 _a510 BAl
100 _aBali N.P.
245 2 _aA T.B. of Engg. maths.
260 _aNew delhi
_bLaxmi Pub.,
_c1990
300 _a1292 p.
942 _2ddc
_cEG
999 _c1918266
_d1918266