000			00302 a2200133 4500
082			_a520 _bDE
090			_c2726 _d2726
100			_aDe, K.K.
245			_aA text book on astronomy _cK.K.De
260			_aCalcutta _bP.C.Bhowal
300			_aiii, 202p.
650			_aASTRONOMY
942			_aGCL _cBOOK _k520 DE
999			_c2606 _d2606