http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
for learners using english to study other subjects
x, 806 páginas : ilustraciones ; 22 cm + 1 CD-ROM (12 cm)
Phonetic spelling -- List of illustrations -- List of notes -- Guide to the dictionary -- Dictionary quiz -- Labels, symbols and short forms -- 1-800 dictionary A-Z.