000 00404pam a2200133a 44500
082 _aNASA
_bTN D-3938
100 _aGoodson,Kenneth W
245 1 _aGROUND EFFECTS ON A FOUR-PROPELLER TILT-WING CONFIGURATION OVER A FIXED AND A MOVING GROUND PLANKE.
260 _a
_bNasa, Washington, D.C.
_c1967
300 _a90
500 _aBound With Nasa Tn 3931-37,3940.
964 _gCIRC
997 _aTR11989 C
999 _c396394
_d396394