Environmental radiation measurements. 

 - Washington :  NCRP,  1976. 
 - vi, 246 p. :  tabla, diagr. 
 - Report, no.<50> .
 - Estados Unidos. National council on radiation protection and measurements .
 - Report, no.<50> .
<br/><br/> Recommendations of the NCRP  Bibliografía: p.199-234 
<br/><br/><label>ISBN: </label>0913392324 
<br/><br/><label>ISSN: </label>0083209X 
<br/><br/><label>Standard No.: </label>NCR-PREPORT-50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIACIONES -MEDICION Y CONTROL