Proceedings of the twelfth plenary meeting of aetfat. / 
H. Baijnath,eta`l 
 - Hamburg :   GTZ,  1990. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>03445615 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable natural resources<br/>Renewable natural resourses -- Research--Renewable natural resourses -- Research
<br/><br/><label>LC Class. No.: </label>QH75  / PRO 1990