MacDonald,Gordon J.F. <br/>
       A study of the free oscillations of the earth [TR R-136-140] 
 / Gordon J.F. MacDonald and Norman F. Ness 
 .- Washington D.C.: National Aeronautics and Space Administration,  1962 
 .- 77p. 
<br/><U>Author Added Entry: </u><br/>Ness, Norman F.;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR65635</b>, Full Call No.: ,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), NASA  TR R- 136-140<br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>