000 00313nam a2200133Ia 4500
008 211209s1970 xx 000 0 und d
041 _aeng
082 _a516.24 N70 ABB
100 _aABBOTT P
245 _aTEACH YOURSELF TRIGONOMETRY
250 _a2 ed.
260 _aNEW DELHI
_bE.L.B.S.
_c1970
300 _a215
999 _c16269
_d16269