@book{12091,
	author = {Harvard University.},
	title = {Harvard forest; annual report, 19-},
	publisher = {Mass,},
	year = {19--},
	address = {Petersham :},
	note = {La biblioteca tiene: 1963-64, 1970-71, 1974-75, 1975-76, 1976-77, 1977-78, 1979-80, 1980-81, 1981-82, 1984-85, 1985-86, 1987-88.}
}