TY  - JOUR 
T1  - Using MCDA methods THOR in an application for outranking the ballast water management options
JO  - Pesquisa Operacional
A1  - Gomes, Carlos Francisco Simões
SN  - 0101-7438
UL  - 10.1590/S0101-74382005000100002
VL  - 25 
Y1  - 2005
PB  - Brazil 
ER  -