TY  - BOOK
T1  - Spectrum 2 : a communicative course in English
A1  - Abrams, Sharon
A2  - Rein, David P. Byrd, Donald R. H.
LA  - English
PP  - New York
PB  - SGEL : Regents Publishing Company
YR  - 1986
UL  - https://gei-testing-vufind.eww-server.de/Record/manes92964
SN  - 8471433346
KW  - Lenguas Extranjeras : Matemáticas
ER  -