Bronfenbrenner, Urie,  1917-2005. <br/><br/>
Two worlds of childhood: U.S. and U.S.S.R. 
[by] Urie Bronfenbrenner, with the assistance of John C. Condry, Jr. 
 - [New York]  Simon and Schuster  [1972] 
 - xxv, 190 p.  illus.  21 cm. 
<br/><br/> "This study was originally supported and published by Russell Sage Foundation." 
<br/><br/><label>ISBN: </label>0671212389 
<br/><br/><label>LCCN: </label>72184853  
<br/><br/><label>LC Class. No.: </label>HQ781 .B75  / .B75 
<br/><br/><label>Dewey Class. No.: </label>301.15/72