Isotope and radiation techniques in soil physics and irrigation studies : proceedings of a symposium ... jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations and held in Istanbul, 12-16 June 1967. / Symposium on the Use of Isotope and Radiation Techniques in Soil Physics and Irrigation Studies, Istanbul, 1967. International Atomic Energy Agency. Food and Agriculture Organization of the United Nations. Radioisotopes in soil physics Congresses. S589.5 .S9 1967 539.74 INI Includes bibliographical references and index Vienna, International Atomic Energy Agency, 1967. 1967. 1967 Text 446 p. : eng engfrerusspa Proceedings series Proceedings series (International Atomic Energy Agency)