000			00400pam a2200145a 44500
082			_aNASA _bTN D-5758
100			_aWillis,Edward A
245	1		_aROUND-TRIP TRJECTORIES WITH STOPOVERS AT BOTH MARS AND VENUS.
260			_a _bNasa, Washington, D.C. _c1970
300			_a30
500			_aBound With Nasa Tn D-5750-5757,5759.
700			_aPandrutt,John A
964			_gCIRC
997			_aTR14332 C
999			_c398703 _d398703