Lamm, Richard D. <br/><br/>
The immigration time bomb :  the fragmenting of America / 
Richard D. Lamm y Gary Imhoff. 
 - New York :  Truman Talley Books,  1985. 
<br/><br/><label>ISBN: </label>0525243372 
<br/><br/><label>Dewey Class. No.: </label>nn*  / nn*