Atomic radiation and life / Peter Alexander. Alexander, Peter, 1922- Radioactivity Physiological effect. Radiobiology. QH652 .A6 541.38 ALA Includes bibliographical references (p. 229-234) and index. Harmondsworth, Middlesex : Penguin, c1957. c1957. 1957 Text 239 p. : eng Pelican books ; A399 Pelican book ; A399.