01015nam a2200193 4500008004100000111010100041245031600142260005700458300002100515490002400536504004100560650004900601710004000650710006100690710004300751003000100794005001700795040000900812 2 aSymposium on the Use of Isotopes and Radiation in Soil Organic-Matter Studies,d(1968 :cVienna)00aIsotopes and radiation in soil organic-matter studies. /cProceedings of the Symposium ... jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations in co-operation with the International Soil Science Society and held in Vienna, 15-19 July 1968. aVienna :bInternational Atomic Energy Agency,c1968. a584 p. ;c24 cm.0 aProceedings series. aIncludes bibliographical references. 0aRadioisotopes in soil chemistryvCongresses.2 aInternational Atomic Energy Agency.2 aFood and Agriculture Organization of the United Nations.2 aInternational Society of Soil Science.20230123134033.0 cNUST