Smith, Robert S <br/><br/>
Population economics :  selected essays of Jaseph J spengler / 
Robert S Smith 
 - North carolina :  Duke Universsity press,  c1972. 
 - vii,536 p. :  24 cm. 
<br/><br/><label>ISBN: </label>0823302861 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population<br/>Economics<br/>Social problems
<br/><br/><label>LC Class. No.: </label>HB871  / .S652 1972 
<br/><br/><label>Dewey Class. No.: </label>363.9  / P831s