000 00334nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aDUR-S
_b516.24
100 _aDurell, C V; Robson, A
245 0 _aShorter advanced trigonometry
260 _a London
_bG Bell & Sons Ltd.
_c1947
650 _aTrigonometry; Mathamatics
942 _cBK
999 _c43885
_d43885