1. Rock mechanics, caverns and pressure shafts = Felsmechanik : Kavernen und Druckschachte = Mecanique des roches : Les cavernes et les puits sous pression
Author: editor W. Wittke
Library: Library of College of Science University of Tehran (Tehran)
Subject: Congresses ، Rock mechanics,Congresses ، Caves,Congresses ، Shafts )Excavations(
Classification :
TA
706
.
I57
1982
