Johansen, John. , <br/><br/>
Modern trends in tunnelling and blast design / 
by John Johansen ; in association with C.F. Mathiesen. 
 - viii, 154 pages :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>9058093115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semiconductors --Mathematical models.<br/>Blasting --Technique.
<br/><br/><label>LC Class. No.: </label>TA815   / .J63 2000