Standard-gramatike del international auksiliari lingue
Subtitle: sub le nom INTAL
By: kompilat par Erich Weferling.
Edition: 7. meliorat ed.
Publisher: Weferling
Published: 1975
Place of publication: Braunschweig
Language: ger
Number of pages: 36
Subjects: International auxiliari linguo (Artificial language)
Notes: Bibliography: p. 32.
Titles of different editions vary slightly owing to spelling changes in the language.