000			00391pam a2200145a 44500
082			_aNASA _bCR-1379
100			_aVihn,Nguyen X
245	1		_aANALYTICAL SOLUTIONS OF A CLASS OF OPTIMUM ORBIT MODIFICATIONS
260			_a _bNasa, Washington, D.C. _c1969
300			_a32
500			_aBound With Nasa Cr-1371-1380
700			_aMarchal,Christian
964			_gCIRC
997			_aTR13358 C
999			_c399103 _d399103