TY  - BOOK
AU  - Lightfoot, David W.
TI  - PRINCIPLES OF DIACHRONIC SYNATAX
U1  - 415 
PY  - 1979///
CY  - Cambridge
PB  - University Press
KW  - Grammar, Comparative And General -- Syntax
KW  - Historical Linguistics
N1  - Bibliography : P. 409-427
ER  -