proceedings of the symposium on the use and application of radioisotopes and radiation in the control of plant and animal insect pests joint organized by the Interanational Atomic Energy Agency and the Food and Agriculture Organization of the United Natio International Atomic Energy Agency (Vienna) creator text xx Vienna IAEA 1963 9999 monographic und 508p:ill+tab+fig Insects; Insecticides; Insecticides-Toxicology; Insects-Effect of radiation on; Insect rearing; Insecticides-Research 632.951 I61R NITIL 190328