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| 373 | -- | 395 | Reginald G. Golledge, Jack M. Loomis, Roberta L. Klatzky, Andreas Flury, Xiao-Li Yang. Designing a personal guidance system to aid navigation without sight: progress on the GIS component |
| 397 | -- | 412 | Bianca Falcidieno, Michela Spagnuolo. A new method for the characterization of topographic surfaces |
| 413 | -- | 429 | Jay Lee. Analyses of visibility sites on topographic surfaces |
| 431 | -- | 445 | Andrew K. Skidmore, Philip J. Ryan, Warwick Dawes, David Short, Emmett O'Loughlin. Use of an expert system to map forest soils from a geographical information system |
| 447 | -- | 467 | Harlan J. Onsrud, Jeffrey K. Pinto. Diffusion of geographic information innovations |
| 469 | -- | 485 | Michael N. DeMers, Peter F. Fisher. Comparative evolution of statewide Geographic Information Systems in Ohio |
| 487 | -- | 488 | David J. Magutre. Accuracy of Spatial Databases". Edited by M. Goodchild and S. Gopal. (London: Taylor & Francis, 1989.) [Pp 290.] Price £35.00 |