TY - BOOK AU - United States. Department of Agriculture TI - Biologic and economic assessment of maleic hydrazide : Report of the maleic hydrazide assessment team to the rebuttable presumption against registration of maleic hydrozide : Submitted to the environmental protection agency on, October 1, 1979 T2 - (Technoical bulletin; no. 1634) PY - 0000/// CY - Washington PB - United States Department of Agriculture ER -