TY  - BOOK
AU  - Bald, W.D.
AU  - Cobb, D. J
AU  - Schwarz, A
TI  - Active grammar
SN  - 0582517389
U1  - 425 
PY  - 1986///
CY  - London
PB  - Longman
KW  - Structural systems of standard English
ER  -