Ecological assessment of macrophyton :  collection, use, and meaning of data / 
W.M. Dennis and B.G. Isom, editors 
 - Philadelphia, Pa. :  ASTM,  1984 
 - 122 p. :  ill. 
 - STP ;  843 ASTM special technical publication ;  843 .
<br/><br/> "a symposium sponsored by ASTM Committee D-19 on Water, Fort Lauderdale, FL, 15-16 Jan., 1983 "  "ASTM publication code number (PCN) 04-843000-16" 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0803102046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AQUATIC PLANTS--SAMPLING--CONGRESSES<br/>AQUATIC PLANTS--ECOLOGY--RESEARCH--METHODOLOGY--CONGRESSES<br/>PLANT POPULATIONS--MEASUREMENT--CONGRESSES
<br/><br/><label>LC Class. No.: </label>QK930  / E264