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Katori, T. & Nakashizuka, T.: Effects of local conspecific abundance on seed set and seed predation, and control of Carpinus laxiflora (Betulaceae) population density. Journal of Ecology and Environment, 2015, 38. vsk, s. 39–45. Artikkelin verkkoversio. (pdf) Viitattu 5.1.2023. (englanniksi)