@book{206420,
	author = {Western Society of Weed Science},
	title = {Proceedings  /},
	publisher = { La Sociedad},
	address = {Sacramento, Cal. :},
	note = {La biblioteca tiene: 1970, 1971, 1972, 1973, 1974, 1977, 1978, 1979, 1981, 1982}
}