Guidelines on minimum requirements for agricultural pesticide application equipment Agricultural pesticide application equipment : minimum requirements Wiles, T. L Sharp, D. G Matthews, G. A Dobson, Hans Al Alawi, Mamoon Ishfaque, Mohammed Food and Agriculture Organization of the United Nations Spraying and dusting in agriculture Spraying equipment Pesticides 632 FAU 2001 C151 Or. Vol. 1-3: "These guidelines were prepared by T.L. Wiles and D.G. Sharp, of T.L. Wiles and Associates Limited ... with the assistance of Professor G.A. Matthews ..."--Acknowledgements Vol. 4- : "These guidelines were prepared by Hans Dobson of the Natural Resources Institute, UK ... assistance was provided by Mamoon Al Alawi ... and Mohammed Ishfaque ..."--Acknowledgements Rome : Food and Agriculture Organization of the United Nations, 2001- 2001- Text v. :