CANADA CENTRE FOR MINERAL & ENERGY TECHNOLOGY (CANMET) <br/><br/>
EMPIRICAL PROCEDUES FOR PREDICTION FOR ROCK FRAGMENTATION BY BLASTING BY Y.C.LIZ 

 - CANADA  ENERGY MINES AND RESOURCES  1990 
 - 28X23 
 - MRL 90-06TR JAN.1990 .
<br/><br/><label>Dewey Class. No.: </label>622.23 C216