http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
HARVARD-BOOKS biology -- Harvard-Books in biology.Ed.com.Ernst -- Mayr,Keith R[oberts] Porter[u.a.]. -- Nr 7. - (Cambridge,Mass.:Harvard Univ. -- Pr.1971.) 8° -- 1972:76/gb(Nr 7). -- Forts.s.T.K.!