"Proceedings ,September 15,1959"  Problems of applied 

 - Warszawa  Paustwowe Wydamnictwo Naukowe       1961 
 - 148p. Bib at end of chapters  cm. 
 - "Polish Academy of Sciences Institute of Geography Geographical Studies ,25" .
<br/><br/><label>Standard No.: </label>120119 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>"Up1,N59, K1"