000 00392pam a2200145a 44500
082 _aNASA
_bTN D-612 -
100 _aSmith,Orvel E
245 1 _aRANGE OF DENSITY VARIABILITY FROM SURFACE TO 120 KM ALTITUDE
260 _a
_bNasa, Washington, D.C.
_c1961
300 _a23
500 _aBound With Nasa Tn D-611-20
700 _aChenoweth,Halsey B
964 _gCIRC
997 _aTR10228 C
999 _c394420
_d394420