Piet, David. <br/><br/>
Grains of sand in the sea / 
by David Piet. 
 - Washington D.C. :  Population Reference Bureau,  1987. 
 - 12 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.
<br/><br/><label>Dewey Class. No.: </label>304.6