The weakening principle and technique to keep the stability of underground excavations : Sun Guangzhong; Huang Yunfei Proc International Symposium on Underground Engineering, New Delhi, 14–17 April 1988V1, P251–258. Publ Rotterdam: A A Balkema, 1988

• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 111 KB
• Volume: 27
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(90)93175-l