Ludwig, Lawrence P. <br/>
       NASA TN [D-6568] : DESIGN STUDY OF SHAFT FACE SEAL WITH SELF-ACTING LIFT AUGMENTATION : IV-FORCE BALANCE 
 / 
 .-  NASA, Washington, D.C.,  1972 
 .- 27p . 
.- ( NASA Technical Note   
<br/>NASA Technical Note D-6552,53,57,63,68<br/>Bounded Volumes Accession No. 101251; Contents: TR13142-46 
<br/><u>Subject Headings:</u> <br/>Aerodynamics;
<br/><U>Author Added Entry: </u><br/>Johnson, Robert L.;<br/>Zuk, John;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR13146</b>, Full Call No.: ,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), NASA TN D-6568<br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>