Franklin, John Alan <br/><br/>
Classification of rock according to its mechanical properties / 
John Alan Franklin 
 - 3 microfiches  ;  11 x 15 cm. 
<br/><br/> MFC39  Abstract available on ProQuest Dissertations and Theses 
<br/><br/>Thesis (Ph.D.) - University of London, 1970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.