Purchas, Derek B. <br/><br/>
Industrial filtration of liquids/ 
Derek B. Purchas 
 - 2nd ed. 
 - London:  Leonard Hill Books,  1971 
 - 492 p.:  ill.;  21 cm. 
 - Chemical dna process engineering series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0249440954  Rs. 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filters and filteration<br/>Seperation (Machines)<br/>Forous Materials
<br/><br/><label>Dewey Class. No.: </label>660.28424