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MR1638134 (99h:90003) Puu, Tönu Mathematical location and land use theory. An introduction. Advances in Spatial Science. Springer-Verlag, Berlin, 1997. x+294 pp. ISBN: 3-540-61819-8 (Reviewer: Sandra L. Arlinghaus) 90-02 (90A25 90B80 90B85)