http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
72.666/8,4 -- DOUGLASS,A[ndrew] E[llicott]: -- Tree Rings and chronology. - Tucson:Univ. -- of Arizona 1937.36 S.mit 3 Fig.u.8 Pl.8° -- (Physical Science Bulletin.Nr.1.) -- (University of Arizona Bulletin.Vol.8, -- Nr 4.) -- 1973:382 d. -- Br.-