TY - JOUR T1 - A planning model for offshore natural gas transmission JO - Pesquisa Operacional A1 - Iamashita, Edson K. A1 - Galaxe, Frederico A1 - Arica, José SN - 0101-7438 UL - 10.1590/S0101-74382008000100002 VL - 28 Y1 - 2008 PB - Brazil ER -