Gamma dose measurement at Zion and fort Calhoun station / 
N. C. Dyer... [et al.] 
 - Washington, D.C. :  United States Government Printing Office,  1979 
 - 126 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gamma rays<br/>Nuclear astrophysics
<br/><br/><label>Dewey Class. No.: </label>539.7222