Esperanto
Subtitle: eine Einführung in die moderne Umgangssprache
By: Herbert Mayer
Edition: 3., erw. Aufl.
Series: Serio Instruo -- 1
Publisher: Pro Esperanto
Published: 1993
Place of publication: Wien
Language: ger
Number of pages: 144
Subjects: Esperanto; Grammar; Textbooks for foreign speakers; German