http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The Economy of diphthongization in early romance
ROMEO, Luigi: -- The Economy of diphthongization in early romance. -- The Hague, Paris: Mouton 1968. 127 S., 83 Fig. 4° -- (Janua linguarum. Ser. pract. 55.) -- 1968: 1488 b. -- Lb..