http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
advanced listening and critical thinking skills
Cassette 1 Side 1 (units 1 -3) and side 2 (units 4-6)
Cassette 2 Side 1 (units 7-9) and Side 2 (units 10-12)