BibTeX

@TECHREPORT{ Leeds00tech,
     author = {Brandon Bennett and A.G. Cohn and P. Torrini and S.M. Hazarika},
     title = {Region-Based Qualitative Geometry},
     institution = {University of Leeds, School of Computer Studies},
     year = {2000},
     number = {2000.07},
     address = {LS2 9JT, UK},
     note = {\url{www.scs.leeds.ac.uk/services/reports/2000.html}},
     leeds_file = {rbg_tech.ps}
}