OBERT, LEONARD Y OTRO <br/><br/>
ROCK IN STRUCTURES OF DESIGN THE AND MECHANICS ROCK 

 - 0 
 - NEW YORK-U.S.A.  JOHN WILEY Y SONS  1967 
 - 650 pag  23 cm 
 - 0  0 .
<br/><br/>STRUCTURE-ROCK/MECHANICS-ROCK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>551.25  / O23