BibTeX

@Article{ ControlCyb05,
     author = {Van de Weghe, Nico and Cohn, Anthony G. and De Tre, Guy and De Maeyer, Philippe },
     title = {A Qualitative Trajectory Calculus as a Basis for Representing Moving Objects in Geographical Information Systems},
     journal = { Control and Cybernetics},
     year = {2006},
     volume = {35},
     pages = {97-119},
     number = {1},
     leeds_file = {ControlCyb05.pdf}
}