1. Agestam, E. 1985. A growth simulator for mixed stands of pine, spruce and birch in Sweden. Dept of Forest Yield Research. SLU, Report No. 15. ISBN 91-576-2528-X. (In Swedish with English summary.)
2. Assman, E. 1970. The Principles of Forest Yield Studies. Pergamon Press, Oxford.
3. Baule, B. 1917. Zu Mitscherlichs Gesetz der physiologischen Beziehungen, Landw. Jahrb. 51. (In German.)
4. Braun, H. & Hering, S. 1987. Growing process of hybrid larches (Larix eurolepisHenry). Beitrage für die Forstwirtschaft, No. 21: 4, pp. 164–168. (In German with English summary.)
5. Dudek, A. & Ek, R. 1980. A bibliography of worldwide literature on individual tree based and stand growth models. Staff Pap. Series No. 12. Dept of Forest Resources, Univ. of Minnesota, St Paul, MN.