000			00380nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a520 _bLEV-O
100			_aLevy, David H
245		0	_aObserving Variable Stars
260			_bCambridge University _aLondon _c1989
300			_a198p.
630			_xPOST GRADUATE REFERENCE
650			_aVariable Stars _vPhysics
942			_cBOOK
999			_c55852 _d55852