Geological Literature Search (GEOLIS) (Geological Survey of Japan / AIST)
Authors=KOJIMA Yoshiyuki, ASAKURA Toshihiro
Journal/Book_names=Rock Mass Classification in Japan, Engineering Geology, Special Issue
pages=27-33
Publish_year=1992
Publish_Country=JPN
Publisher=Japan Society of Engineering Geology
Language_of_Text=EN, JA
ID=199303146