Finnish Forest Association (2015) Forest policy, Finnish forest resources, Forestry. Web page. http://www.smy.fi/en/ (最終アクセス:平成28年6月28日)
Finnish Food Safety Authority (2015) Number of domestic seedlings delivered for planting 2015. Web page.https://www.evira.fi/globalassets/kasvit/viljely-ja-tuotanto/metsanviljely/tilastot/siemen-ja-taimituotantotilastot/en/seedlings_15_evira.pdf (最終アクセス:28年12月7日)
Långström, B., Day, KR. (2007) Damage, control and management of Weevil Pests, Especially Hylobius abietis. In : Lieutier, F., Day, KR., Battisti, A., Grégoire, JC., Evans, HF. (eds.) Bark and Wood Boring Insects in Living Trees in Europe, a Synthesis. ISBN 978-1402022401. pp.415-444
Mattsson, A. (2016) Restoration challenges in Scandinavia. Reforesta 1 : pp.67-85. DOI : http://dx.doi.org/10.21750/REFOR.1.05.5