Environmental sampling for trace analysis / 
edited by Bernd Markert. 
 - Weinheim (Federal Republic of Germany) :  VCH Publishers,  1994. 
 - xxx, 524 p. :  ill. 
<br/><br/><label>ISBN: </label>3527300511   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental monitoring.<br/>Trace elements.