1. Accumulation of radiocaesium in fruit bodies of fungi;Bakken,1990
2. Accumulation of fallout 137Cs in some plants and berries of the family;Bunzl;Ericaceae Health Phys.,1986
3. Radionuclides Distribution and Transport in Terrestrial and Aquatic Ecosystems. A Critical Review of Data;Coughtrey,1983
4. Untersungen des Nährstoffzustandes der Böden. 2 Chemische Extraktionsmethoden zur Phosphor und Kalium bestimmung;Egnér;K. Lantbr. Högsk. Annlr,1960