Brokaw, N. V. L. 1982. The definition of tree-fall gap and its effect on measure of forest-dynamics. - Biotropica 14:158-160.
Canham, C. D. et al. 1990. Light regime beneath closed canopies and tree-fall gaps in temperate and tropical forest. - Can. J. For. Res. 20: 620-631.
Chen, J. 1991. Edge effects: microclimatic pattern and biological responses in old-growth Douglas-fir forests. - Ph.D. thesis, Univ. of Washington.
D'Agostino, R. B., Belanger, A. and D'Agostino, R. B. Jr 1990. A suggestion for using powerful and informative tests of normality. - Am. Stat. 44: 316-321.
Denslow, J. S. 1985. Disturbance-mediated coexistence of species. - In: Pickett, S. T. A. and White, P. S. (eds), The ecology of natural disturbance and patch dynamics. Academic Press, pp. 307-323.
Denslow, J. S. 1987. Tropical rainforest gapd and tree species diversity. - Ann. Rev. Ecol. Syst. 18: 431-451.
Fagerström. T. 1988. Lotteries in communities of sessile organism. - Trends Ecol . Evol. 40: 303-306.
Forman, R. T. T. 1997. Land mosaics. the ecology of landscapes and regions. - Cambridge Univ. Press.
Forman, R. T. T. and Godron, M. 1986. Lanscape ecology. - Wiley.
Grubb, P. J. 1977. The maintenance of species-richness in plant communities: the importance of the regeneration niche. - Biol. Rev. 52: 107-145.
Hansen, A. J. and di Castri, F. 1992. Landscape boundaries, consequences for biotic diversity and ecological flows. - Springer.
Hartshorn, G. S. 1978. Tree falls and tropical forest dynamics. - In: Tomlinson, P. B. and Zimmermann, M. H. (eds), Tropical trees as living systems. Cambrige Univ. Press, pp. 637-638.
Hubbell, S. P. et al. 1999. Light-gap disturbances, recruitment limitation, and tree diversity in a neotropical forest. - Science 283: 554-557.
Reifsnyder, W. E. and Lull, H. W. 1965. Radiant energy in relation to forests. - Tech. Bull. No. 1344, U.S. Dept of Agriculture, Forest Service.
Richards, P. W. 1996. The tropical rainforest. - Cambridge Univ. Press,
Ricklefs, R. E. 1976. Environmental heterogeneity and plant species diversity: a hypothesis. - Am. Nat. 111: 376-381.
Riéra, and Alexandre, D. Y. 1988. Surface des chablis et temps de renouvellement en forêt dense tropicale. - Acta Oecol. 9: 211-219.
Runkle, J. R. 1981. Gap regeneration in some old-growth forests of the eastern United States. - Ecology 62: 1041-1051.
Van Den Berge, K. et al. 1990. Analysis of a forest reserve in a 215-year stand in the Zoniënwoud. - Rep. #17, Ministrie van de Vlaamse Gemeenschap, Dienst Groen, Waters en Bossen, in Dutch.
Van Der Meer, P. J. et al. 1994. Defining canopy gaps in a tropical rain forest: effects on gap size and turnover rates. - Acta Oecol. 15: 701-714.
Whitmore, T. C. 1989. Canopy gaps and the two major groups of forest trees. - Ecology 70: 563-538.
