TY  - BOOK
AU  - Michael Swan
TI  - Practical English Usage
SN  - 0-19-442124-4
U1  - 425 
PY  - 1980///
CY  - Oxford
PB  - English Language Book Society/Oxford University Press
N1  - Michael Swan: Practical English Usage.  Oxford.  English Language Book Society/Oxford University Press, 1980. 0-19-442124-4--(425SWA)
ER  -