@article {IOPORT.50353933,
    author       = {Williams, Graham J.},
    title        = {Templates for spatial reasoning in responsive geographical information systems},
    year         = {1995},
    journal      = {International Journal of Geographical Information Systems},
    volume       = {9},
    number       = {2},
    pages        = {117-131},
    doi          = {10.1080/02693799508902029},
    identifier   = {50353933},
}