Brockhaus Enzyklopädie multimedial
布罗克豪斯多媒体百科全书。1 DVD, 1 manual (duplicate).Mannheim, Bibl. Insitiut u. Brockhaus AG, (2009).4°.In OKkunstldr.-cassette in encyclopaedia optics.-Included: 1. update with 4 DVDs in OPlastik-cassette 2. knowledge centre CD and handbook.