J. R. McWhirter <br/><br/>
Use of High-purity Oxygen in the Activated Sludge Process  Volume 1 

 - 1 
 -  CRC Press  20210531 
 - 294 p 
<br/><br/> First published in 1978: The purpose of this two-volume series is to present a consolidated and comprehensive reference on oxygen-activated sludge technology. 
<br/><br/><label>ISBN: </label>9780367259518 
<br/><br/><label>Source: </label> Taylor & Francis  GBP 56.99  BB