Book review
Susanne Döpke. One parent one language: An interactional approach [Studies in Bilingualism, 3]. Amsterdam: John Benjamins, 1992. xviii + 231 pp. andSusan M. Gass & Larry Selinker (eds). Language transfer in language learning (Revised Edition).. [Language Acquisition and Language Disorders, 5]. Amsterdam: John Benjamins, 1992. 236 pp.