1. Kangasmetsien luonnollisesta uudistumisesta Suomen Lapissa, I. (Natural regeneration in Lapland I, in Finnish with abridged version in German);Aaltonen;Communicationes ex Instituto Quaestionum Forestalium Finlandiae.,1919
2. Ackzell, L., Lindgren, D., 1992. Seed-tree stand: Threat or protection for artificial regeneration, in: Hagner, M., (Ed.), Proceedings of an InterNordic Workshop: Silvicultural alternatives, Umeå, Sweden, June 22-25 1992. Swedish University of Agricultural Sciences, Department of Silviculture, Reports, 35, pp. 86 - 95.
3. Äijälä, O., Koistinen, A., Sved, J., Vanhatalo, K., Väisänen, P., (eds.) 2019. Metsänhoidon suositukset. [In Finnish: Best practices for forest management]. Tapion julkaisuja, Helsinki. 252 p. ISBN 978-952-5632-75-0. (In Finnish).
4. MuMIn: Multi-Model Inference;Bartoń;R package version,2017
5. Review of the impact of retained overwood trees on stand productivity;Bassett;Australian Forestry,2001