Firsoff, V. A.  1912- <br/><br/>
The rockhound's handbook / 
V. A. Firsoff and G. I. Firsoff 
 - Newton Abbott [Eng.] :  David & Charles,  1975. 
 - 210 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography: p. 206-207. Includes index 
<br/><br/><label>ISBN: </label>0715368109 
<br/><br/><label>LCCN: </label>75-325276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Collection and preservation--Handbooks, manuals, etc.<br/>Minerals--Collection and preservation--Handbooks, manuals, etc.