00573nam a2200145Ia 4500 140224s9999 xx 000 0 und d 631.417:546.02 1968.7.15/19 (082.2) K8 Symposium on the use of isotopes and radiation in soil organic matter studies, Vienna, Jul.15-19, 1968. Isotopes and radiation in soil organic-matter studies Vienna International Atomic Energy Agency 1968 584p. International Atomic Energy Agency; Proceeding Series Soil-radiation effect,Humus BK 0 0 0 0 KSD KSD 2014-02-24 0 631.417:546.02 1968.7.15/19 (082.2) K8 921 2014-02-24 00:00:00 2014-02-24 BK 93959 93959