Language change progress or decay?

• Main Author: Aitchison, Jean, 1938-
• Format: Book
• Language: English
• Published: Suffolk Fontana Paperbacks 1981
• Series: Fontana Linguistics
• Subjects: Γλωσσική αλλαγή; Ιστορική γλωσσολογία
• Physical Description: 266 p. 20 cm.
• Bibliography: Includes bibliography and index
• ISBN: 0006359833