Authors: Walker, TS

Citation: Ts. Walker, Reasonable expectations on the prospects for documenting the impact of agricultural research on poverty in ex-post case studies, FOOD POLICY, 25(4), 2000, pp. 515-530

Authors: Hijmans, RJ Forbes, GA Walker, TS

Citation: Rj. Hijmans et al., Estimating the global severity of potato late blight with GIS-linked disease forecast models, PLANT PATH, 49(6), 2000, pp. 697-705

Authors: Walker, TS Schmiediche, PE Hijmans, RJ

Citation: Ts. Walker et al., World trends and patterns in the potato crop: An economic and geographic survey, POTATO RES, 42, 1999, pp. 241-264