Gujer, Willi. <br/><br/>
Systems analysis for water technology/ 
Willi Gujer 
 - Berlin :  Springer,  c2008 
 - xiii, 462 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9783540772774 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--Mathematical models<br/>Sewage--Purification--Mathematical models.<br/>System analysis