TY  - JOUR 
T1  - Technical and operational aspects of tunnel rounds in artisanal underground mining
JO  - Rem: Revista Escola de Minas
A1  - Seccatore, Jacopo
A1  - Magny, Lorenzo
A1  - De Tomi, Giorgio
SN  - 0370-4467
UL  - 10.1590/S0370-44672014000300010
VL  - 67 
Y1  - 2014
PB  - Brasil 
ER  -