1. Studies of Chernobyl debris in Denmark;Aarkrog,1988
2. The Accident at the Chernobyl Nuclear Power Plant and its Consequences;Abagyan,1986
3. Vertical dispersion of Chernobyl Fallout on Kessewandferner, Oetztal Alps, Austria;Ambach;J. Glaciol.,1989
4. Nedfall av cesium i Norge etter Tsjernobylulykken;Backe,1986
5. 10Be variations in polar ice cores;Beer,1985