1. Gustafsson, Å., 1960. Polyploidy and mutagenesis in forest-tree breeding. In: Proc. 5th World For. Congr., II. Genetics and Tree Improvement, pp. 793–806.
2. Radiosensitivity of deciduous tree seed to different ratios of fast neutron and gamma radiation;Heaslip;Radiat. Bot.,1967
3. Ionizing radiations in forests and forestry (excluding the use of radioactive tracers);Lynn;For. Abstr.,1967
4. Radiosensitivity and induction of somatic mutations in woody perennials under chronic gamma ray irradiation;Nishida;Gamma Field Symp.,1967
5. Studies on radiosensitivity and induction of somatic mutations in forest trees;Ohba;Gamma Field Symp.,1964