http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
MANN, John: -- Cactus-feeding Insects and mites. - Was- -- hington:Smithsonian Inst.Pr. 1969.X,158 -- S.mit 8 Pl. 8° -- (United States National Museum Bulletin. -- Nr.256.) -- 1969: 2478 n. -- Un.°
United States National Museum Bulletin Nr. 256