Bender, D.J., T.A. Contreras and L. Fahrig (1998). Habitat loss and population decline: a meta-analysis of the patch size effect. Ecology 79(2): 517-533.
Bogaert, J. and I. Impens (1998). An improvement on area-perimeter ratios for interior-edge evaluation of habitats. Proceedings of the 10th Portuguese Conference on Pattern Recognition, F. Muge, R.C. Pinto, M. Piedade (eds.), Instituto Superior Technico, Lisbon, Portugal, March 26-27, 1998: 55-61.
Bogaert, J., R. Rousseau, P. Van Hecke and I. Impens (1999a). Alternative area-perimeter ratios for measurement of 2-D shape compactness of habitats. Applied Mathematics and Computation, in press.
Bogaert, J., P. Van Hecke, R. Moermans and I. Impens (1999b). Twist number statistics as an additional measure of habitat perimeter irregularity. Environmental and Ecological Statistics, in press.
Bribiesca, E. (1997). Measuring 2-D Shape Compactness using the contact perimeter. Computers and Mathematics with Applications 33(11): 1-9.
De Blust, G., A. Froment, E. Kuyken, L. Nef and R. Verheyen (1985). Biologische Waarderingskaart van België. Algemeen verklarende tekst. Ministerie van Volksgezondheid en van het Gezin, Instituut voor Hygiene en Epidemiologie, Cöordinatiecentrum van de Biologische Waarderingskaart 98 p. (in dutch).
Forman, R.T.T. (1997). Landscape ecology. The ecology of landscapes and regions. Cambridge University Press, Cambridge, 632 p.
Forman, R.T.T. and M. Godron (1986). Landscape ecology. John Wiley & Sons, New York, 620 p.
Glasbey, C.A. and G.W. Horgan (1995). Image analysis for the biological sciences. John Wiley & Sons, Chichester, 218 p.
Groom, M.J. and N. Schumaker (1993). Evaluating landscape change: patterns of worldwide deforestation and local fragmentation. In: Biotic interactions and Global Change, P.M. Kareiva, J.G. Kingsolver and R.B. Huey (eds.), Sinauer Associates Inc., Sunderland, Massachusetts, 24-44.
Heywood, V.H. and R.T. Watson (1995). Global biodiversity assessment. United Nations Environment Programme. Cambridge University Press, Cambridge, 1140 p.
James, M. (1987). Pattern recognition. BSP Professional Books, Oxford, 144 p.
Jang, B.-K. and R.T. Chin (1990). Analysis of thinning algorithms using mathematical morphology. IEEE Transactions on Pattern Analysis and Machine Intelligence 12(6): 541-551.
Lord, J.M. and D.A. Norton (1990). Scale and spatial concept of fragmentation. Conservation Biology 4(2): 197-202.
Milne, B.T. (1991). Lessons from applying fractal models to landscape patterns. In: Quantitative methods in landscape ecology, M.G. Turner and R.H. Gardner (eds.), Springer-Verlag, New York, 119-235.
Saunders, D.A., R.J. Hobbs, and C.R. Margules (1991). Biological consequences of ecosystem fragmentation: a review. Conservation Biology 5(1): 18-32.
Serra, J. (1982). Image analysis and mathemaical morphology. Academic Press, London, 610 p.
Serra, J. (1986). Introduction to mathematical morphology. Computer Vision, Graphics, and Image Processing 35: 283-305.
USA-CERL (1993). GRASS 4.1 User's Reference Manual. United States Army Corps of Engineers, Construction Engineering Research Laboratories, Champaign, Illinois.
Van Miegroet, M. (1976). Van bomen en bossen. Deel I. E. Story Scientia P.V.B.A., Gent, 630 p. (in dutch).