TY  - BOOK
AU  - 
AU  - Beer, G.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9780415551052 (hardback)
SN  - 2
PY  - 2010///;copyright 201046
CY  - Boca Raton, FL :; 
PB  - CRC Press
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Technological innovations
KW  - Underground construction
N1  - A Balkema book; Includes bibliographical references; 5
ER  -