TY  - GEN
AU  - Hermoso, Alfredo Gonzalez
AU  - Romero Dueñas,Carlos
TI  - ECO A1+A2: libro del alumno 
SN  - 8477119043
AV  - PC4112 .H47 2004
PY  - 2004///
CY  - Madrid
PB  - Edelsa
KW  - Spanish language
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Textbooks for foreign speakers
ER  -