000 00287nam a2200133Ia 4500
100 _aKHANNA M L
650 _aSpherical Astronomy
365 _cRS
365 _d1
942 _cENGBK
245 _aSpherical Astronomy
260 _bJai Prakash Nath & Co.
_c1982
_aMeerut
300 _a446 pp
999 _c7829
_d7829