Manshard, Walther. <br/><br/>
Tropical agriculture :  a geographical introduction and appraisal / 
Walther Manshard. 
 - Germna :  Longman,  1979 
 - x, 226 p. :  ill. ;  24 cm. 
 - Geographies for advanced study .
<br/><br/> This translation originally published:/translated by D. A. M. Naylon. 
<br/><br/>Bibliographical : p. 201-222. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Tropics.