TY - BOOK TI - Rule generalization and optionality in language change AU - Keyser, Samuel Jay, 1935- AU - O'Neil, Wayne A. SN - 9067651273 PB - Foris Publications PP - Dordrecht, Holland ; Cinnaminson, U.S.A. : Foris Publications, 1985. PY - 1985 UR - https://library.korea.ac.kr/detail/?cid=CAT000000910304&ctype=m