TY  - JOUR 
T1  - A lagrangian relaxation approach for a machinery location problem in forest harvesting
JO  - Pesquisa Operacional
A1  - Vera, Jorge R.
A1  - Weintraub, Andrés
A1  - Koenig, Manfred
A1  - Bravo, Gaston
A1  - Guignard, Monique
A1  - Barahona, Francisco
SN  - 0101-7438
UL  - 10.1590/S0101-74382003000100009
VL  - 23 
Y1  - 2003
PB  - Brasil 
ER  -