000 00384nam a2200169Ia 4500
008 210210b1945 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a512/76
100 _aUSMAN
245 _aPlane trigonometry
260 _aDelhi
_bS. Chand & Co. Ltd.
_c1945
650 _atrigonometry
650 _aPlane
690 _aTrigonometry
700 _aOthers
906 _a007279
999 _c139689
_d139689