Standard-gramatike del international auksiliari lingue
Subtitle: sub le nom INTAL
By: kompilat da Erich Weferling.
Edition: 20. meliorat ed.
Publisher: Weferling
Published: 1978
Place of publication: Braunschweig
Language: ina
Number of pages: 38
Subjects: International auxiliari linguo (Artificial language)
Notes: Bibliography: p. 32.
Titles of different editions vary slightly owing to spelling changes in the language.
"Kompare inter Esperanto e INTAL in kontrapozati tabeles" (9 p.) inserted.