TY  - BOOK
AU  - Eckersley,C.E.
TI  - Essential english for foreign students / 
PY  - 1967///
CY  - Harlow : 
PB  - Longman, 
KW  - Lenguas Extranjeras
N1  - Contiene:; V. 1.; Book one .--rev. ed
ER  -