@article{FalcaoMIA00, 
 author    = "A. X. Falc{\~{a}}o and J. K. Udupa", 
 title     = "A {3D} generalization of user-steered live wire segmentation",
 journal   = "Medical Image Analysis",
 publisher = "Elsevier ",
 volume    = "4",
 number    = "4",
 pages     = "389--402",
 month     = "Dec",
 year      = 2000
}