TY  - BOOK
AU  - Pattison,Harry C.
AU  - D'Appolonia,Elio
ED  - American Society of Civil Engineers
ED  - Society of Mining Engineers of AIME
ED  - Society for Mining, Metallurgy, and Exploration (U.S.)
TI  - Proceedings  : Volume 2 - 1974 Rapid Excavation And Tunneling Conference San Francisco, California, June 24-27, 1974
U1  - 624 19
PY  - 1974///
CY  - New York
PB  - Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers
KW  - Tunneling
KW  - Congresses
KW  - Excavation
KW  - Underground construction
ER  -