000			00337pam a2200133a 44500
082			_aNASA _bTT F-236
100			_aYur'Yev,B N
245	1		_aCOLLECTED WORKS OF A K.E.TSIOLKOVSKIY.
260			_a _bNasa, Washington, D.C. _c1964
300			_a371
500			_aBound With Nasa Tt F-233-235,237
964			_gCIRC
997			_aTR15414 C
999			_c400852 _d400852