000			00285nam a2200121Ia 4500
008			151205s9999||||xx |||||||||||||| ||und||
020			_c0
100			_aCHAUDHARI,P.C.
245			_aELEMENTRY MODERN ASTRONOMY
260			_c1960 _bGHOSH CHAUDHURY
650			_aASTRONOMY
942			_cBK
999			_c203204 _d203204