Merck, Cristin. <br/><br/>
Land Tenure Center Newletter ;   no. 60 

 - Madison-U S :   University of Wisconsin-Madison,   1980. 
 - p. 7-8 
 - Irregular 
 - No. 60 (Jan. / Mar. 1980) 
 - Land Tenure Center Newletter ;   no. 60  0084-0786 .
 - Estados Unidos.   Univesity of Wisconsin - Madison. .