000 00396nam a2200169Ia 4500
008 210210b1937 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a512/16
100 _aDURELL
245 _aAdvanced trigonometry
260 _aLondon
_bG Bell and Sons Limited
_c1937
650 _atrigonometry
650 _aAdvanced
690 _aTrigonometry
700 _aHOBSON
906 _a007219
999 _c139617
_d139617