TY  - BOOK
T1  - Fries American English series : for the study of English as a second language
A2  - Hull, Adrian L.
LA  - English
PP  - Boston
PB  - D. C. Heath and Company
YR  - 1953
UL  - https://gei-testing-vufind.eww-server.de/Record/manes97076
KW  - Lenguas Extranjeras
ER  -