1. High level radioactive nuclides in Japan in May;Aoyama;Nature,1986
2. Tracking the cloud from Chernobyl;ApSimon;New Scientist,1986
3. United States analysis incomplete;Beardsley;Nature,1986
4. Radioactive fallout in air and rain: results to the middle of 1965;Cambrey;Atomic Energy Research Establishment Report 4997,1965
5. Chernobyl;Collier,1986