00339nam a2200133Ia 4500008004100000020000700041040003000048082001700078100001700095245002400112260004200136300001100178650001600189190302s9999||||xx |||||||||||||| ||und||  c20  aKharagpur College Library  a522.7bK-527  aM. L. Khanna  aSpherical Astronomy  bJai Prakash Nath and CoaMeerutc1962  a448 p.  aMathematics