000 00271nam a2200121Ia 4500
008 211209s1959 xx 000 0 und d
041 _aeng
082 _a516.24 N59 VAR/SHU
100 _aVARMA R S
245 _aTEXT BOOK ON TRIGONOMETRY
250 _a4 ed.
260 _c1959
999 _c653
_d653