NASA  / TN D-1464 <br/>
       A double gamma-ray spectrometer to search positrons in space 
 / Thomas L. Cline ...[et. al.] 
 .- 10p. 
<br/>NASA TN D-1464 
<br><U>Copy Details:</u><br> Acc. No.: <b>65545 NASA TN D-1464</b>, Full Call No.: NASA TN D-1464,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>