http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Part 2 : simplified and traditional characters
3 volumes : illustrations (some color) ; 28 cm. + 2 compact discs (4 3/4 in.).
[1.] Textbook -- [2.] Workbook -- [3.] Character workbook -- Textbook and workbook audio CD set.
third ed. by Yuehua Liu [and others] ; original ed. by Yuehua Liu [and others].