Rogers, V. C. <br/><br/>
A handbook for the determination of radon ? attenuation through cover materials / 
by V. C. Rogers and K. K. Nielson 
 - Washington, D. C. :  United States Government Printing Office,  1979 
 - Various pagings ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution<br/>Air pollution--Prevention and control<br/>Air quality management
<br/><br/><label>Dewey Class. No.: </label>628.53