Penn, Raymond J. <br/><br/>
Land Tenure Center Newletter ;   no. 70 

 - Madison-U S :   University of Wisconsin-Madison,   1981. 
 - p. 6-7 
 - Irregular 
 - No. 70 (Jan. / Mar. 1981) 
 - Land Tenure Center Newletter ;   no. 70  0084-0786 .
 - Estados Unidos.   Univesity of Wisconsin - Madison. .
<br/><br/> Art¡culo dentro de: Book Reviews.