TY - BOOK TI - Second language acquisition and linguistic variation AU - Preston, Dennis Richard. AU - Bayley, Robert, 1943-. SN - 1556195443 (hbk.) PB - J. Benjamins PP - Amsterdam ; Philadelphia : J. Benjamins, c1996. PY - 1996 UR - https://library.korea.ac.kr/detail/?cid=CAT000045625034&ctype=m