1. Sodium as an essential micronutrient for plants and its possible role in metabolism;Brownell,1979
2. Sodium and rubidium as possible nutrients for sugar beet plants;El-Sheikh;Plant Physiol.,1967
3. Preconditioning, germination and performance of seeds;Khan,1977
4. Colchicine-light effects on growth and mitotic behaviour in germinating lettuce achesnes;Kordan;Histochemical J.,1983
5. Transport in plants;Lüttge,1979