Recommendation on International Effluent Standards and Guidelines for Performance Tests for Sewage Treatment Plants / 

 - London  IGMCO  1977 
 - 9 p. 
<br/><br/><label>ISBN: </label>9280110578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification
<br/><br/><label>Dewey Class. No.: </label>363.6  / I245