Wittke, W.. <br/><br/>
Rock mechanics:caverns pressure shafts /  
edited by W.Wittke. 
 - 1st.Edn. /  
 - Rotterdam :   A.A.Balkema ,   1979 
 - xv,528p :  
<br/><br/><label>ISBN: </label>90 6191 233 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>HZ,2(B7)  / M2.1