LOFGREN, E J <br/><br/>
Negative ions and charge neutralization in the cyclotron.  [electronic resource] 

 -  The Review of scientific instruments  May 1951 
 - 321-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0034-6748 
<br/><br/><label>Standard No.: </label>10.1063/1.1745919  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyclotrons<br/>Ions<br/>Radiation