TY - BOOK AU - Ellis, Rod TI - Understanding second language acquisition SN - 019437081X AV - P 51 E44U 1985 PY - 1985/// CY - Oxford PB - Oxford University Press KW - LANGUAGE AND LANGUAGES KW - STUDY AND TEACHING KW - LANGUAGE ACQUISITION N1 - Includes index; 1.Key issues in second language acquisition; 2.The role of the language; 3.Interlanguage and the "natural" route of development ER -