Ropers, Richard H. <br/><br/>
The invisible homeless :  a new urban ecology / 
by Richard H. Ropers. 
 - New York, N.Y. :  Human Sciences Press,  1988. 
 - 242 p. 
<br/><br/><label>ISBN: </label>0898854067 
<br/><br/><label>LCCN: </label>90025070     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Homelessness--United States.<br/>Homelessness--California--Los Angeles County.