@INBOOK {DUMSDAY:1975,
title = {Evaluating systems of soil conservation: results from a bio-economic model},
author = {Dumsday, R. G. and Flinn, J. C. },
year = {1975},
month = {October},
type = {IITA Papers of Staff in the Agricultural Economics Sub-Program 1973 - October1975},
pages = {267--286},
publisher = {IITA},
}