TY - BOOK ED - Technical Meeting on the Use of Isotopes in Soil Organic Matter Studies, ED - Food and Agriculture Organization of the United Nations. TI - The use of isotopes in soil organic matter studies: report of the FAO/IAEA Technical Meeting AV - S590 .T4 1963c U1 - 631.417 PY - 1965///] CY - Oxford, New York PB - Symposium Publications Division, Pergamon Press KW - Humus KW - Congresses KW - Soils KW - Research KW - Radioisotopes ER -