Firsoff, V. A.    1912- <br/><br/>
The crust of the earth /    
by V.A. Firsoff. With drawings by the au thor. 
 - London :   Weidenfeld & Nicolson,   [1962] 
 - 143 p. :    ill. ;    19 cm. 
 - The Young enthusiast [library] The Young scientists series ;   no.7 .
<br/><br/>  Stamped on t.p.: Distributed by Sportshelf, New Rochelle, N.Y. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Earth -- Surface -- Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>551.4