@book{179622,
	author = {United Nations Industrial Development Organization.},
	title = {Information sources on the agricultural implements and machinery industry /},
	publisher = {United Nations,},
	year = {1973.},
	series = {UNIDO guides to information sources ; no. 8},
	address = {New York :},
	note = {Introd. and explanatory notes in English, French, Russian, and Spanish.}
}