Gray, Dwight E.,  1903- <br/><br/>
Radiation monitoring in atomic defense / 
by Dwight E. Gray and John H. Martens 
 - New York :  Van Nostrand,  1951 
 - iv, 122 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic bomb<br/>Radioactivity--Instruments