000 00255pam a2200097a 44500
082 _aNASA-TN
_bD-7371 -
100 _aPaul T. Soderman
245 1 _aLeading-edge serrations which reduce the noise of low-speed rotors
260 _a
_b
_c
997 _aTR9249 C
999 _c406161
_d406161