Exposure of the U.S. population from occupational radiation  recommendations of the National Council on Radiation Protection and Measurements. 

 - Bethesda MD  National Council on Radiation Protection and Measurements  1989 
 - 1 v. (various pagings)  23 cm. 
 - National Council on Radiation Protection and Measurements report  no. 101-104 NCRP  no. 101-104 .
<br/><br/> This book includes four series in a one. It is binded. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>NCRP report no. 102 : Medical X-Ray electron beam and gamma-ray protection for energies up to 50 meV (equipment design, performance and use) -- NCRP report no. 103 : Control of radon in houses. -- NCRP report no. 104 : The relative biological effectiveness. of radiations of differnt quality 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nuclear medicine--Safety measures<br/>Radiation<br/>Radon--Dosage
<br/><br/><label>Dewey Class. No.: </label>539.77 NAT 1989