@book{47485,
	author = {Powell, A. P and Technical Centre for Agricultural and Rural Cooperation (CTA)},
	title = {International symposium on new information technologies in agriculture: papers presented november 10-12, 1993, Bonn, Germany.},
	publisher = {CTA},
	year = {1994},
	address = {Wageningen, Netherlands:},
	note = {Special issue: quarterly bulletin of the International association of agricultural information specialists.vol.xxxix, nos.1-2,1994}
}