NASA  / TN D-4492 <br/>
Phillips,Berth <br/>
       EXPERIMENTAL INVESTIGATION OF AN ACOUUSTIC LINER WITH VARIABLE CAVITY DEPTH. 
 / 
 .-  Nasa, Washington, D.C.,  1968 
 .- 48 . 
<br/>Bound With Nasa Tn D-4491,4493-4500. 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR15528</b>, Full Call No.: NASA TN D-4492,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>