TY  - BOOK
AU  - Soars,John
AU  - Soars,Liz
TI  - Headway : : pre-intermediate / 
SN  - 0194339874
PY  - 1996///-1997
CY  - Oxford [etc.] : 
PB  - Oxford University Press, 
KW  - Lenguas Extranjeras
N1  - Contiene :; V. 1.; Student's book . --; V. 2.; Workbook without key
ER  -