Isotopes and radiation in soil organic-matter studies : proceedings of the symposiumm on the use of isotopes and radiation in soil organic-matter studies jointly organized by International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations in co-operation with the International Soil Science Society held in Vienna, 15-19 July 1968 /

Isotopes and radiation in soil organic-matter studies : proceedings of the symposiumm on the use of isotopes and radiation in soil organic-matter studies jointly organized by International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations in co-operation with the International Soil Science Society held in Vienna, 15-19 July 1968 / SYMPOSIUM ON ISOTOPES AND RADIATION IN SOIL ORGANIC-MATTER STUDIES (1968 : Vienna) text Vienna : International Atomic Energy Agency, 1968 eng SOIL BIOLOGY SOIL ORGANIC MATER ISOTOPES RADIATION