Aitchison, Jean, 1938- Language change : progress or decay? / Jean Aitchison. - London New York : FontanaPress, 1981 - 266p. : ill. ; 20 cm. Include index LCCN: 00031267 Subjects--Topical Terms: Language change LC Class. No.: P142 / .A37 2001 Dewey Class. No.: 410