TY  - JOUR 
T1  - Risk evaluation in tunneling excavation methods
JO  - REM - International Engineering Journal
A1  - Couto, João Pedro
A1  - Camões, Aires
A1  - Tender, Manuel Luis
SN  - 2448-167X
UL  - 10.1590/0370-44672017710115
VL  - 71 
Y1  - 2018
PB  - Brasil 
ER  -