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040 _aIGNCA, New Delhi
041 0 _aeng
044 _axxk
082 0 _a516.24
_bHAN
100 1 _aHann, James
245 1 _aElements of spherical trignometry
_cJames Hann
260 _aLondon
_bs.n.
_c1849
300 _a68p.
_c19cm
650 0 0 _aGeometry
650 0 0 _aTrigonometry
942 _2ddc
_cBK
999 _c383997
_d383997