Rationale for sampling and interpretation of ecological data in the assessment of freshwater ecosystems :  a symposium / 
sponsored by ASTM Committee D-19 on Water ; Billy G. Isom 
 - Philadelphia, Pa. :  ASTM,  1986 
 - 193 p. 
 - ASTM special technical publication ;  894 .
<br/><br/> "ASTM publication code number (PCN) 04-894000-16" 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0803104553 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER QUALITY BIOASSAY--CONGRESSES<br/>ENVIRONMENTAL IMPACT ANALYSIS--CONGRESSES<br/>FRESHWATER ECOLOGY--CONGRESSES
<br/><br/><label>LC Class. No.: </label>QH96.8 .B5  / R374