000 00416nam a2200181Ia 4500
008 210210b1906 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a512/31
100 _aLOCK
245 _aTrigonometry for beginners
260 _aLondon
_bMacmillan & Co. Ltd.
_c1906
650 _aTrigonometry
650 _afor
650 _abeginners
690 _aTrigonometry
700 _aCHILD
906 _a007234
999 _c139641
_d139641