DENG ,H
PREDICTING THE EXTENT OF ROCK FAILURE/LOOSENING ABOVE UNDERGROUND EXCAVATIONS IN - Ann Arbor UMI 2000 - 151p.,23X18Cms.
622.2 H776
PREDICTING THE EXTENT OF ROCK FAILURE/LOOSENING ABOVE UNDERGROUND EXCAVATIONS IN - Ann Arbor UMI 2000 - 151p.,23X18Cms.
622.2 H776