http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xviii, 1237 pages : illustrations (some color) ; 25 cm.
Pekka Kauppi, Pia Anttilla, Kaarle Kenttämies (eds.).
Finnish acidification research programme HARPO 1985-1990.