TY  - BOOK
AU  - Langendoen,D.Terence
TI  - Essentials of English grammar
PY  - 1970///
CY  - Rinehart and Winston, (New York)
PB  - Holt
KW  - English language
KW  - Grammar, Generative
N1  - References: p. 209 - 213
ER  -