Petrov, B.F. <br/><br/>
K kharakteristike pochvennogo pokrova tuvinskoi avtonomnoi oblasti 
Petrov, B.F. 
 - Moscow  Akademiya Nauk SSSR  1952 
 - 75p  22cm 
<br/><br/><label>ISBN: </label> Rub 3.50 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Soil Science-Central and western Tuva (Russia)