TY  - BOOK
AU  - Derwing, Bruce L.
TI  - TRANSFORMATIONAL GRAMMAR AS A THEORY OF LANGUAGE ACQUISITION
U1  - 415 
PY  - 1973///
CY  - London
PB  - Cambridge University Press
KW  - Language And Languages -- Grammar
N1  - Bib. : P. 325-341
ER  -