000			00471pam a2200145a 44500
082			_aNASA _bTN D-6992
100			_aAnderson,Willard W,Will,Ralph W
245	1		_aSTUDY OF AIRCRAFT-CENTERED NAVIGATION, GUIDANCE, AND TRAFFIC SITUATION SYSTEM CONCEPT FOR TERMINAL-AREA OPERATION.
260			_a _bNasa, Washington, D.C. _c1972
300			_a52
500			_aBound With Nasa Tn D-6990-91, 6993-99
700			_aGrantham,Carolyn
964			_gCIRC
997			_aTR12376 C
999			_c397809 _d397809