TY - GEN TI - Isotopes and radiation in research on soil-plant relationships: proceedings ,International Atomic Energy Agency , Colombo, 11-15 December 1978 T2 - IAEA, Proceedings Series SN - 9200103790 U1 - 631.41 PY - 1979/// CY - Vienna PB - IAEA KW - SOIL CHEMISTRY KW - SOIL SCIENCE ER -