000 00293nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a516.24 N81 RAI/AGG
100 _aRAISINGHANIA M D
245 _aTRIGONOMETRY
260 _bS CHAND AND COMPANY LTD.
_c1981
300 _a330
999 _c19935
_d19935