TY  - BOOK
AU  - Wear,George F
AU  - Buchan,John
TI  - The thirty-nine steps
T2  - Longman simplified English series
SN  - 0582527988
U1  - 428.6 
PY  - 1992///, c1938
CY  - London
PB  - Longman
KW  - Inglés
KW  - Textos para extranjeros
ER  -