Cao, Ye Shi. <br/><br/>
Mass flow and energy efficiency of municipal wastewater treatment plants / 
Cao Ye Shi. 
 - London :  IWA,  2011. 
 - xix, 111 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781843393825 (pbk.)  RM339.48 1843393824 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal plants--Energy conservation.<br/>Sewage disposal plants--Design and construction.<br/>Waterworks--Energy conservation.