Hanson, J. R. <br/><br/>
The tetracyclic diterpenes 
J. R. Hanson 
 - Oxford  Pergamon Press  1968 
 - 132 p. :  ill. ;  24 cm. 
<br/><br/>includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Terpenes