TY  - BOOK
T1  - Conditionals
T2  - Longmanselements of English Series
A1  - Abbott, G. W.
PP  - London
PB  - Longmans
YR  - 1969
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.20026
OP  - 64
SN  - 582531306
KW  - INGLES-ENSEÑANZA
ER  -