Biological treatmenat of sewage and industrial wates / 
papers presented at the conferance on Biological waste treatment sponsored by manhattan college, New York April 13-15,1955 edited by Joseph McCabe and W. W. Eckenfeldez 
 - London :  Chapman and Hall ,  1956 
 - v ;  23 cm. 
<br/><br/> Library has vol. 1 and 2 
<br/><br/>Vol. 1 Aerobic Oxidation - Vol. 2 Anaerobic degestion and solids-liquid separation 
<br/><br/><label>ISBN: </label> Rs. 11.50