ROBERTS, Bruce A. - DEERING, Keith W. - TITUS, Brian D. Effects of intensive harvesting on forest floor properties in Betula papyrifera stands in Newfoundland. In Journal of Vegetation Science, 1998, vol. 9, s. 521-528Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze. Dostupné na internete: <https://onlinelibrary.wiley.com/doi/abs/10.2307/3237267?casa_token=oBKUTm5Db5AAAAAA:FNzGXXaGTE0ZzM1eNpYLKswnXNiSZhytqySghpLGndWN8HCbsuvsg5X4nA4Remw-4TvxDhnh87y_hw>