TY  - BOOK
AU  - Mortimer,Colin
TI  - Contractions: a pronunciation practice book 
SN  - 0521215331
PY  - 1977///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Pronunciation
KW  - Problems, exercises, etc
KW  - Textbooks for foreigners
ER  -