Kulikowski Roman <br/><br/>
Normative model of rural -urban development and optimal migration policy / 
by Roman Kulikowski  
 - Laxenburg :  International institute for applied systems analysis,  1979. 
 - 40p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rural-Urban development
<br/><br/><label>Dewey Class. No.: </label>304.8095  / KUL/N