La Langue du ciel
Subtitle: le bilinguisme dans les communications air/sol.
Series: Les Dossiers du Devoir ;; no 2
Publisher: Le Devoir
Published: 1977
Place of publication: [Montréal]
Language: fre
Number of pages: 64
Subjects: Air traffic control -- Canada.; Bilingualism -- Canada.
Notes: A collection of articles originally published in Le Devoir.
Cover title.