TY - BOOK AU - International Atomic Energy Agency TI - Soil organic matter studies : proceedings of a symposium on soil organic matter studies jointly organised by the international atomic energy agency and the Food and Agriculture Organization of the United Nations in co - operation with Agrochemica and held in Braunschweig, 6 - 10 September, 1976 SN - 9789200100772 PY - 1977/// CY - Vienna PB - International Atomic Energy Agency ER -