Petrosyan M.I. <br/><br/>
Rock Breakage by blasting 
Petrosyan M.I. 
 - new delhi  raju primiani  c1991 
 - vi, p 141  ill.  18cm 
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<br/><br/><label>ISBN: </label>81-204-0847-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>624.15132  / Pet