A symposium on Native aquatic bacteria :  enumeration, activity, and ecology / 
sponsored by ASTM Committee D-19 on Water, American Society for Testing and Materials, Minneapolis, Minn., 25 June 1977 ; edited by J. W. Costerton and R. R. Colwell,  
 - Philadelphia, Pa. :  The Society,  c1979. 
 - 214 p. :  ill. ;  24 cm. 
 - ASTM special technical publication ; 695. .
<br/><br/>Includes bibliographical references.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Microbiology--Congresses.<br/>Indicators (Biology)--Congresses.<br/>Bacteria--Ecology--Congresses.