Obert, Leonard <br/><br/>
Rock mechanics and the design of structures in rock 
Leonard Obert, Wilbur J. Duvall 
 - xix, 605 páginas 
<br/><br/><label>ISBN: </label>0471652350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mecánica de rocas
<br/><br/><label>Dewey Class. No.: </label>624.151 32  / OBE 1967