Wissmann, David A. (David Alan) <br/><br/>
Natural resource availability, modernization and fertility decline (microform) 
David A. Wissmann 
 - Ann Arbor, Mich.  University Microfilms International  1979 
 - 2 microfiches ; 11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-University of Arizona, 1979 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population<br/>Civilization, Modern