Duncan, R. <br/><br/>
Controlled release technologies :  a survey of research and commercial applications / 
R. Duncan and L. W. Seymour 
 - Oxford :  Elsevier Advanced Technology,  1989 
 - 208 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0946395446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs--Controlled release<br/>Pesticides--Controlled release<br/>Controlled release technology