TY - BOOK ED - Co-ordination meeting of the use of isotopic tracers in studies of herbicide performance on grasses and sedges TI - Use of isotopic tracers in studies of herbicide performance on grasses and sedges SN - 1011-4289 PY - 1998/// CY - Vienna PB - IAEA N1 - Report of a final research co-ordination meeting; Apéndice p.75-79; Bibliografía al final de cada artículo ER -