The use of nuclear meters in soils investigations :   a summary of worldwide research and practice /  
by P.C. Smith, ... [et al]. 
 - Philadelphia :   American Society for Testing and Materials,   196 8. 
 - vi, 136  p. :    ill. ;    23 cm. 
 - ASTM special technical publication;   no. 412. .
<br/><br/>Includes bibliographical references ( p. 123-136.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil --Density.------<br/>Soil moisture --Measurement.------<br/>Radio-active gauges.--------
<br/><br/><label>Dewey Class. No.: </label>631.42