1. Deposits of sporangia and incidence of infection by Phytophthora infestans on upper and lower surfaces of potato leaves;Björling;Acta Agr. Scand.,1955
2. The forecasting from weather data of potato blight and other plant diseases;Bourke;W.M.O. Tech. Note,1955
3. Forecasting late blight epiphytotics of potatoes and tomatoes;Cook;J. Agr. Res.,1949
4. Studies in the biology of Phytophthora infestans (Mont.) De Bary;Crosier;Cornell Univ., Agr. Expt. Sta. Mem.,1934
5. De fungicide werking van licht van verschillende golflengten ten aanzien van blister blight;De Weille;Ber. Algem. Proefst. A.V.R.O.S.,1956