@book{54090,
	author = {Prairie Farm Rehabilitation Administration. Indian Head, Saskatchewan},
	title = {Report of the tree nursery, 197 -1986},
	publisher = {P.F.R.A.,},
	year = {197 -1986},
	address = {Indian Head, Saskatchewan :},
	note = {La biblioteca tiene: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986}
}