Public health :  technology-equipment-material / 

 - Switzerland :  OSEC,  c1980. 
 - 120p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health
<br/><br/><label>Dewey Class. No.: </label>614/SWP