000 00283pam a2200109a 44500
082 _aNASA
_bTN D-5497
100 _aRichard H Sawyer
245 1 _aOperational limitations in flying noise-abatement approaches
260 _a
_b
_c
700 _aWilliam T Schaefer
997 _aTR15350 C
999 _c406331
_d406331