000			00374pam a2200145a 44500
082			_aNASA _bTN D-6949
100			_aCompton,Harold R
245	1		_aMARS GRAVITATIONAL FIELD ESTIMATION ERROR
260			_a _bNasa, Washington, D.C. _c1972
300			_a41
500			_aBound With Nasa Tn D-6940-48
700			_aDaniels,Edward F
964			_gCIRC
997			_aTR13629 C
999			_c398058 _d398058