TY - BOOK AU - Eisenstein,Miriam R. TI - The Dynamic interlanguage: empirical studies in second language variation SN - 0306431742 PY - 1989/// CY - New York PB - Plenum Press KW - Interlanguage (Language learning) KW - Language and languages KW - Variation KW - Second language acquisition KW - Study and teaching KW - English language KW - Foreign speakers ER -