Steven A. Roberts G. Brent Hall Paul H. Calamai Analysing forest fragmentation using spatial autocorrelation, graphs and GIS. 185-204 2000 14 International Journal of Geographical Information Science 2 http://taylorandfrancis.metapress.com/openurl.asp?genre=article&issn=1365-8816&volume=14&issue=2&spage=185 db/journals/gis/gis14.html#RobertsHC00