1. Radiocesium availability and retention sites in forest humus;Andolina,1989
2. FAO/UNESCO Soil Map of the World, Revised Legend;FAO,1988
3. Radiation Influence on Coniferous Forests in the Region of the Accident of the Chernobyl Power Station (in Russian);Kozubov,1990
4. Decontamination of Contaminated Areas After the Reactor Accident at the Chernobyl Power Plant;Melin,1991