Radiation and Radioisotopes applied to Insects of Agricultural Importance. (Proceedings of a Symposium on the Use and Application of Radioisotopes and Radiation in the Control of Plant and Animal Insect Pests— Jointly Organized by the International Atomic Energy Agency and the Food and Agricultural Organization of the United Nations. Held in Athens, Greece 22–26 April 1963.) IAEA, Vienna; or Int. Publications, Inc., 317 East 34th St., N.Y., N.Y. 10016. $10.00.