Melnikov, N. Chesnokov, M. <br/><br/>
Safety in opencast mining 

 - MIR  Moscow  1969 
 - 391p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>3956 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>622.861:622.271  / FEI