http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
HELL, Hans van: -- Human urinary Gonadotropins. Purification -- and characterisation. - Groningen 1972. -- 96 S.m.27 Fig.u.32 Tab. 8° -- Groningen, med.Diss.1972. -- 1976! -- Fi.