TY  - BOOK
AU  - Cacoullos Rena Torres
TI  - Grammaticization synchronic cariation, and language contact :  a study of spanish progressive-ndo constructions
T2  - Studies in language companion series
U1  - P123:3, 111P0 
PY  - 2000///
CY  - Amsterdam
PB  - John Benjamins Publishing Company    
KW  - LINGUISTICS
ER  -