Handbook for sampling and sample preservation of water and wastewater 
/ Environmental Protection Agency, Office of Research and Development 
. - Cincinnati  : Environmental Monitoring and Support Laboratory, 1982
. - XI-402 p.  : ill.  ; 28 cm. 
 - EPA-600/4-82-029 .
<br/><br/><label>Source: </label> Dons divers 
<br/><br/><label>Universal Decimal Class. No.: </label>614.8