Laak, Rein. <br/><br/>
Wastewater engineering design for unsewered areas / 
by Rein Laak. 
 - Ann Arbor, Mich. :  Ann Arbor Science Publishers,  c1980. 
 - xi, 179 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0250403730 
<br/><br/><label>LCCN: </label>80065509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal, Rural.<br/>Sewage disposal plants--Design and construction.
<br/><br/><label>LC Class. No.: </label>TD929  / .L3 
<br/><br/><label>Dewey Class. No.: </label>628/.742