Shirabe, T. (2008). A Variant of Shortest Path that Buys You Time to Decide Where to Go. In T. Cova, H. Miller, K. Beard, A. U. Frank, & M. Goodchild (Eds.),
Geographic Information Science (Extended Abstracts) (p. 160). Taylor and Francis.
http://hdl.handle.net/20.500.12708/42253 ( reposiTUm)