1. Baldwin HI (1955) Course of seasonal height growth in European larch. Fox Forest Notes, No 60
2. Behan MJ (1968) Visual diagnosis of mineral deficiency in western larch. Mont For Conserv Exp St Bull 34: 7
3. Bernier B (1984) Nutrient cycling in Populus: a literature review with implications in intensively-managed plantations. Biomass Growth and Production. Enfor, Group B, Report No 6
4. Bonneau M (1988) Le diagnostic foliaire. Rev For Fr 40: 19–28
5. Bonneau M, Duchaufour P (1961) Quelques aperçus sur la nutrition minérale des résineux. Proceedings 13 th IUFRO Congress. September 1961: 21-3/1