Wisander, Donald W. <br/>
       Friction and wear of selected metals and of carbonsin liquid natural gas [NASA TN D-6613] 
 / Donald W. Wisander 
 .- Washington, D. C.: National Aeronautics and Space Administration, 
 .- 12p. 
.- ( National Aeronautics and Space Administration   
<br/><u>Subject Headings:</u> <br/>natural gas;
<br><U>Copy Details:</u><br> Acc. No.: <b></b>, Full Call No.: ,   Item type:  Reference , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>