TY  - BOOK
AU  - Koch,Rachel Spack
AU  - Folse,Keith S.
TI  - Focus on grammar: An advanced course for reference and practice : Workbook 
SN  - 0-201-38316-0
PY  - 2000///
CY  - White Plains, N. Y.
PB  - Longman
KW  - Grammar
N1  - vol. B. (2000 , 218 p.)
ER  -