TY  - BOOK
AU  - Lightfoot David W
TI  - Principles of diachronic syntax
T2  - Cambridge studies in linguistics; 23
U1  - P:3:(G), L9 
PY  - 1979///
CY  - Cambridge
PB  - Cambridge University Press     
KW  - LINGUISTICS
N1  - Bib 409-27p
ER  -