Introduction to Plant Disease Epidemiology, 1990. ,
, Wiley-Interscience publication
Disease assessment and yield loss, The Epidemiology of Plant, vol.5, 1998. ,
, , pp.42-72
A diagnostic method for assessing regional 8 variations in crop yield, Agricultural Systems, vol.54, pp.169-188, 1997. ,
Past nonrandomness and aggregation to spatial correlation: 10 2DCORR, a new approach for discrete data, Phytopathology, vol.88, pp.84-91, 1998. ,
Size and shape of sampling units for estimating incidence of stem 12 canker on oil-seed rape stubble in field plots after swathing, Journal of Agricultural 13 Science, vol.94, pp.493-496, 1980. ,
Pathogenicity of three isolates of 15, 1990. ,
, Leptosphaeria maculans on Brassica species and other crucifers, Canadian Journal of 16 Plant Pathology, vol.12, pp.75-82
Epidemiology of blackleg of oilseed rape, Canadian Journal of Plant, 1992. ,