000 00388pam a2200133a 44500
082 _aNASA
_bCR-1809 -
100 _a
245 1 _aA HISTORICAL STUDY OF THE BENEFITS DERIVED FROM THE APPLICATION OF TECHNICAL ADVANCE TO CIVIL AVIATION
260 _a
_bNasa, Washington, D.C.
_c1971
300 _aV,408
500 _aBound With Nasa Cr-1808-1810
964 _gCIRC
997 _aTR8407 C
999 _c394199
_d394199