"Ehrlich, Paul R" <br/><br/>
"Ecoscience: Population, Resources, Environment" 

 - \\197700ENGGPSX 
 - W h Freeman   1977  Sanfrancisco  
 - xv+1052p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>716705672