@phdthesis{c8bc7e1ea6d34b019529f9c10e774d2c,
title = "New technical and alternative silvicultural approaches to pre-commercial thinning",
keywords = "betula, cleaning, height, mechanization, pinus, quality, selective felling, thinning, topping, betula, cleaning, height, mechanization, pinus, quality, selective felling, thinning, topping",
author = "Daniel Ligne",
year = "2004",
language = "English",
isbn = "91-576-6715-2",
series = "Acta Universitatis Agriculturae Sueciae. Silvestria",
number = "331",
publisher = "Swedish University of Agricultural Sciences",
address = "Sweden",
}