The United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) assesses the levels and effects of exposure to ionizing radiation. UNSCEAR’s scientific findings underpin radiation risk evaluation and international protection standards.

This publication provides the supporting scientific assessment for UNSCEAR’s 1977 report to the General Assembly and includes the Report to the General Assembly with short overviews of the materials and conclusions contained in the scientific annexes.

Sales No. E.77.IX.1

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