TY - BOOK ED - Symposium on World food production by means of sustainable agriculture: the role of crop protection TI - Crop protection and sustainable agriculture SN - 0471939447 U1 - 338.162 PY - 1993/// CY - West Sussex, England PB - John Wiley & Sons KW - Plant protection KW - Congresses KW - Sustainable agriculture KW - Food supply ER -