Keith, Lawrence H. <br/><br/>
Principles of environmental sampling 

 - 2nd. ed. 
 - Washington DC :   ACS,   1996. 
 - xxix, 848 p.il. 
<br/><br/><label>ISBN: </label>0841231524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDIO AMBIENTE<br/>MUESTREO
<br/><br/><label>Universal Decimal Class. No.: </label>628.5