1. Bailey, R.L. and Dell, T.R., Quantifying diameter distribution with the Weibull function, For. Sci., 1973, vol. 19, no. 2, pp. 97–104.
2. The documentary chaos;S.C. Bredford,1948
3. Buzykin, A.I., Sekretenko, O.P., and Khlebopros, R.G., Dannye nablyudenii i analiz gorizontal’noi struktury na pyati probnykh ploshchadyakh v odnovozrastnykh drevesnykh tsenozakh (Observational Data and Analysis of the Horizontal Structure on Five Sample Plots in Coeval Tree Cenoses), Krasnoyarsk: Inst. Lesa im. V.N. Sukacheva Sib. Otd. Ross. Akad. Nauk, 2009.
4. Cao, Q.V., Predicting parameters of a Weibull function for modelling diameter distribution, For. Sci., 2004, vol. 50, no. 5, pp. 682–685.
5. Darwin, Ch., On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, London: John Murray, 1859.