000 00380nam a2200169Ia 4500
008 210210b1911 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a512/30
100 _aLOCK
245 _aNew trigonometry
260 _aLondon
_bMacmillan & Co. Ltd.
_c1911
650 _atrigonometry
650 _aNew
690 _aTrigonometry
700 _aCHILD
906 _a007233
999 _c139640
_d139640