Diffusion processes in environmental systems / 
J. Crank ... (et al.) 
 - London :  MacMillan,  1981 
 - xi,160p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0333307216 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffusion<br/>Molecules