000			00367pam a2200133a 44500
082			_aNASA _bTT F-47 -
100			_aEl'Yasberg,P E
245	1		_aDEPENDENCE OF SECULAR VARIATIONS OF ORBIT ELEMENTS ON THE AIR RESISTANCE
260			_a _bNasa, Washington, D.C. _c1961
300			_a9
500			_aBound With Nasa Tt F-41-50
964			_gCIRC
997			_aTR10044 C
999			_c393158 _d393158