Figueroa, A. <br/><br/>
Point-contact friction :  a possible index value for the residual shear strength of rocks / 
A. Figueroa. 
 - 1 microfiche ;  11 x 15 cm. 
<br/><br/> MFC37 
<br/><br/>Thesis (Master of Science) - University of London, 1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.<br/>Rocks.