Holmberg, R <br/><br/>
Drilling and blasting of rock masses 

<br/><br/>bibliogr. p. 399 
<br/><br/><label>ISBN: </label>0750610638 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perforation<br/>Tir mine<br/>Explosif<br/>Forage