Satellites 1958, alpha and gamma :   high intensity radiation resea rch and instrumentation. 

 - Washington  :   National Research Council,   1961. 
 - 93 p.  :    ill.  ;    28 cm. 
 - IGY satellite report ;   no. 13. .
<br/><br/>  Cover title. 
<br/><br/>Remarks by J.A. Van Allen on observations of high intensity radiatio n by satellites 1958 alpha and 1958 gamma.--Cosmic ray instrumentation in the first U.S. earth satellite, by G.H. Ludwig.--The instrumentaion in earth satellite 1958 gamma, by G.H. Ludwig. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Explorer 1 (Artificial satellite).--------
<br/><br/><label>Subjects--Topical Terms: </label><br/>Van Allen radiation belts.--------