000 00279nam a2200121Ia 4500
008 211209s1960 xx 000 0 und d
041 _aeng
082 _a516.24 N60 SIN/SHA
100 _aSINGH, AJIT
245 _aTEXT BOOK OF PLANE TRIGONOMETRY
250 _a2 ed.
260 _c1960
999 _c905
_d905