Manual of grey water treatment practice 
edited by John H. Timothy Winneberger 
 - Ann Arbor  Ann Arbor Science  c1974 
 - 102 p.  ill.  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal<br/>Septic tanks<br/>Sewage--Purification
<br/><br/><label>Dewey Class. No.: </label>628.3