000 00279nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _aBGM B5 M2 GUP/T
100 _aGUPTA PP
245 0 _aTRIGNOMETRY
260 _bS CHAND AND COMPANY LTD
_c1982
300 _a246
942 _cTB
999 _c3778
_d3778