Grigg, David B <br/><br/>
The harsh lands :  a study in agricultural development / 
David Grigg 
 - London :  MacMillan,  1970 
 - xiv, 321 p. :  ill., maps ;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0333110528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Developing countries<br/>Agriculture--Tropics