The two main trends in linguistic evolution H. Birnbaum 1985. №2, 32-42 H. Birnbaum (Los Angeles) Username Password Create new accountReset your password Bimonthly (6 issues per year) 160 pp. per issue Founded 1952 ISSN 0373-658X RSCI: IF 2023: 0.868 Scopus: CiteScore 2024: 0.7 SJR 2024: 0.183