TY  - BOOK
AU  - 
ED  - 
TI  - International Symposium On Underground Engineering : Volume 1
SN  - 9061919274
U1  - 624.19 SIN 
PY  - 1989///
CY  - Rotterdam
PB  - A. A. Balkema
KW  - Underground Construction
KW  - Underground  Areas
KW  - Congresses
N1  - International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India; Includes bibliographical references and indexs
ER  -