Manual on radiation protection in hospitals and general practice 

 - Geneva  WHO  1977 
 - 52p.  ill. 
<br/><br/> V.4 
<br/><br/><label>ISBN: </label>9241540419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiation
<br/><br/><label>LC Class. No.: </label>MED RA569  / M3