TY  - BOOK
T1  - Planning and estimating underground construction
DA  - [1970]
CY  - New York,
AU  - Parker, Albert D.
CN  - TA712
CN  - TA712
PB  - McGraw-Hill
PP  - New York,
PY  - [1970]
ID  - 13933
KW  - Underground construction
TI  - Planning and estimating underground construction
ER  -