Laak, Rein <br/><br/>
Wastewater engineering design for unsewered areas/ 
by Rein Laak. 
 - Ann Arbor:  Ann Arbor Science Publishers,  1980. 
 - 179pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0250403730 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal