TY - BOOK TI - Formal grammar : theory and implementation AU - Levine, Robert, 1947-. SN - 019507310X (ppr : alk. ppr.) PB - Oxford University Press PP - New York : Oxford University Press, 1992. PY - 1992 UR - https://library.korea.ac.kr/detail/?cid=CAT000000023166&ctype=m