Siegel, Frederic R. <br/><br/>
Demands of Expanding Populations and Development Planning  Clean Air, Safe Water, Fertile Soils /  [electronic resource] : 
by Frederic R. Siegel. 
 - Berlin, Heidelberg :  Springer-Verlag Berlin Heidelberg,  2008. 
 - xix, 226 p. :  ill., digital ;  24 cm. 
<br/><br/><label>ISBN: </label>9783540788096 (electronic bk.) 9783540788065 (paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human population.<br/>Population density.<br/>Population planning.
<br/><br/><label>Dewey Class. No.: </label>304.6