TY  - BOOK
AU  - Sells,Peter
AU  - Shieber,Stuart M.
TI  - Foundational issues in natural language processing
SN  - 0262193035
PY  - 1991///
CY  - Cambridge, Mass.
PB  - MIT Press
KW  - Computational linguistics
N1  - Bibliography : p. 223-226
ER  -