Whenever possible, please update all references to papers accepted for publication, preprints or technical reports, giving the exact name of the journal, as well as the volume, first and last page numbers and year, if the article has already been published or accepted for publication. Heterogeneity of attribute sampling error in spatial datasets. New directions in spatial econometrics. Towards an operational typology of geographic entities with ill-defined boundaries. Geographic objects with indeterminate boundaries.
Figures are to be numbered consecutively.
Preferably, the figures should be professional quality computer graphics, as output by standard office software or plotting packages. If possible encapsulated Postcript graphics should be imported into the manuscript in the places where they are intended to appear. On acceptance, authors will be requested to supply these Postcript files separately. Figures should be captioned informatively, so that they can be understood without refering to the text. Tables are to be numbered separately from the illustrations.