Audiograph. Diphthonge / Diphthonge /.

Bibliographic Details
Main Author: Kelz, Heinrich P., 1940-
Other Authors: Kummer, Manfred, Seel, Helga
Format: Book
Language:German
Published: Bonn : Inter Nationes, 1989.
Subjects:
Description
Physical Description:37 p. ; 21 cm. + 1 casete.