Metrology and monitoring of radon, thoron and their daughter products :  report / 
by a Group of Experts of the OECD Nuclear Energy Agency 
 - Paris :  OECD,  1985 
 - 148 p. :  ill. ;  23 cm. 
 - NEA experts report .
 - NEA experts report .
<br/><br/> 'January 1985' 
<br/><br/>Includes bibliographical references (p.136-148) 
<br/><br/><label>ISBN: </label>9264127674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiation dosimetry<br/>Radon--Environmental aspects--Measurement<br/>Thoron--Environmental aspects--Measurement<br/>Environmental monitoring