Ekwall, Eilert A history of modern english sounds and morphology / by Eilert Ekwall; transl. and ed. by Alan Waed . - Oxford : Basil Blackwell, 1980 . - XVI-133p. ; 22 cm. - Blackwell's english language series . Bibliogr. Index ISBN: 0631149309 Source: Don britannique Universal Decimal Class. No.: 802.0