000			00478pam a2200145a 44500
082			_aNASA _bTN D-4313
100			_aGracey,William,Sommer,Robert W
245	1		_aEVALUATION OF A CLOSED-CIRCUIT TELEVISION DISPLAY IN LANDING OPERATIONS WITH A HELICOPTER.
260			_a _bNational Aeronautics And Space Administration, Washington, D.C. _c
300			_a30
500			_aBound With Nasa Tn D-4311-12, 4314-20
700			_aTibbs,Don F
964			_gCIRC
997			_aTR11332 C
999			_c396048 _d396048