Radioactive substances in the biosphere; procedures recommended by the International Atomic Energy Agency's "Panel on the methods for collection and analysis of samples for the determination of trace amounts of radioactive substances in the biosphere" held at Vienna, 7-12 September 1959.
Radioactive substances in the biosphere; procedures recommended by the International Atomic Energy Agency's "Panel on the methods for collection and analysis of samples for the determination of trace amounts of radioactive substances in the biosphere" held at Vienna, 7-12 September 1959.