Markets for onyx marble and hard stones 

 - Geneva  ITC         1971 
 - "viii, 109p."  cm. 
<br/><br/> Appendix: p91-109. 
<br/><br/><label>Standard No.: </label>87529 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals
<br/><br/><label>Dewey Class. No.: </label>"X9(H22133):54.1.N7, L1/UN"