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by Longley, Paul A.; Goodchild, Michael F.; Maguire, David J.; et al.
by Longley, Paul A.
by Longley
by Paul A. Longley
by Rajpu, Pooja; Singh, Atul
by Winstead, Augustus
by Singletona, Alex David (CON); Salim, Mehrdad Jafari (CON)
by Roberts, Steven A.; Robertson, Colin
by Paul A. Longley (Univ. College London, UK); Michael F. Goodchild (Univ. of California, Santa Barbara); David J. Maguire (Environmental Systems Research Institute, Inc., Redlands); et al.