000 00306pam a2200109a 44500
082 _aNASA
_bCR-2107 -
100 _aFrank R Clarke
245 1 _aMethods of paired comparisons and magnitude estimation in judging the noisiness of aircraft
260 _a
_b
_c
700 _aKarl D Kryter
997 _aTR8564 C
999 _c406114
_d406114