NASA  / CR-1373 <br/>
Feder,Ernest <br/>
       ANALYTICAL AND EXPERIMENTAL STUDIES FOR PREDICTING NOISE ATTENUATION IN ACOUSTICALLY TREATED DUCTS FOR TURBOFAN ENGINES 
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 .-  Nasa, Washington, D.C.,  1969 
 .- 99 . 
<br/>Bound With Nasa Cr-1371-1372,1374-1380 
<br/><U>Author Added Entry: </u><br/>Dean Iii,Lee Wallace;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR13352</b>, Full Call No.: NASA CR-1373,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>