Contributions

  • Hertkorn, Ottmar, joint author. - Contributor

Publication

1977 - Greven, Köln, Germany

Language

German

Word Count

44,250 words, Guess

Page Count

177 pages

Identifiers

Classifications

  • LCCLB1043.2.G4 A75

Subjects

Topics

Audio-visual educationAudio-visual education -- Germany, West

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