TY - BOOK AU - Wood,Stanley AU - Pardey, Philip G. ED - International Food Policy Research Institute TI - Agroecological aspects of evaluating agricultural R&D PY - 1995/// CY - Washington,D.C. PB - International Food Policy Research Institute N1 - 'Reprinted from Agricultural Systems, vol. 57, no. 1, 1998' - cover; Refrences: p. 40-41 ER -