Aquatic invertebrate bioassays :  a symposium / 
sponsored by ASTM Committee D-19 on Water, American Society for Testing and Materials, Blacksburg, Va., 27-29 Sept. 1977 ; A.L. Buikema, Jr., and John Cairns, Jr., editors. 
 - Philadelphia :  ASTM,  1980. 
 - 209 p. :  ill. ;  24 cm. 
 - ASTM special technical publication ;  715. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological assay.<br/>Aquatic invertebrates.