TY  - BOOK
AU  - Soars,John
AU  - Soars,Liz
TI  - Headway: Advanced : Student's book 
SN  - 0-19-433563-1
PY  - 1989///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Textbooks for foreign speakers
ER  -