Hess, Victor F. <br/><br/>
Electrical conductivity of the atmosphere and its causes / 

 - London :  Constable and Company,  1928. 
 - xviii, 204 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmospheric electricity<br/>Cosmic rays -- discovery<br/>Earth’s electric field
<br/><br/><label>Dewey Class. No.: </label>551.561  / HES