Ben-Aïm, Roger. <br/><br/>
Filtration / 
Roger Ben Aim. 
 - Paris :  Cle International,  1979. 
 - 24 p. :  ill. ;  26 cm. 
<br/><br/>Bibliography: p. 23. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>French language.<br/>Water--Purification--Filtration.<br/>Filters and filtration.
<br/><br/><label>Dewey Class. No.: </label>448