000 00286nam a2200109Ia 45e0
008 181001s1972 xx 000 0 und d
100 _aVerma & shukla
245 0 _aText book on trigonometry
260 _aAllahabad
_bPothisala
_c1972
300 _a203
942 _2ddc
_cBK
999 _c2132
_d2132