TY  - BOOK
AU  - PETERSON WILCOX,Patricia
TI  - Changing times, changing tenses: a review of the English tense system : elementary/intermediate 
SN  - pbk
PY  - 1991///
CY  - Washington, D.C.
PB  - United States Information Agency
KW  - English language
KW  - Grammar |(elementary/|intermediate)
KW  - Textbooks for foreigners
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=41424
ER  -