000			00289nam a2200121Ia 4500
008			151205s9999||||xx |||||||||||||| ||und||
020			_c0
100			_aCHAUDHURI,P.C.
245			_aELEMENTORY MODERN ASTRONOMY
260			_c1960 _bGHOSH CHAUDHURY
650			_aASTROPHYSICS
942			_cBK
999			_c204445 _d204445