Ryabchikov A <br/><br/>
Changing face of the earth    The structure and dyn    

 - Moscow  Progress Publishers           1975 
 - 205p.  cm. 
<br/><br/> Bib p. 197-205; Appendix p. 187-96 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography
<br/><br/><label>Dewey Class. No.: </label>U47, L5