Diffusion in polymers 
edited by J. Crank and G. S. Park 
 - London  Academic Press  1968 
 - xii, 452 p. : ill. ; 24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>67-028001 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffusion<br/>Polymers--Permeability