TY - BOOK ED - E.U.A. National Agricultural Library TI - The toxicity of herbicides to mammals, aquatic life, soil microorganisms, benefical insects and cultivated plants, 1959-65. A list of selected refences T2 - Library list U1 - 632.954 PY - 1968/// CY - Washington PB - The Library KW - Herbicidas KW - Toxicidad ER -