Bassett, W.H. <br/><br/>
Enviromental health procedures 
W.H. Bassett. 
 - 7th. ed.. 
 - London  Chapman and Hall  1992 
 - xx,486p., 23cm. 
<br/><br/><label>ISBN: </label>0412394901. 
<br/><br/><label>Dewey Class. No.: </label>344.046026  / B31E