TY  - BOOK
T1  - Spectrum 1 : a communicative course in English
A1  - Abrams, Sharon
A2  - Rein, David P. Byrd, Donald R. H.
LA  - English
PP  - New York
PB  - Regents Publishing Company
YR  - 1982
UL  - https://gei-testing-vufind.eww-server.de/Record/manes97281
SN  - 0883455072
KW  - Lenguas Extranjeras : Matemáticas
ER  -