Pratt, Henry Reginald Clive,  1911- <br/><br/>
Countercurrent separation processes / 
H. R. C. Pratt 
 - Amsterdam :  Elsevier Publishing Co.,  1967 
 - xxii, 538 p. ;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>67-001277 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Separation (Technology)