TY  - BOOK
AU  - Bache,Carl
AU  - Davidsen-Nielsen,Niels
TI  - Mastering English: an advanced grammar for non-native and native speakers 
SN  - 3110155354
AV  - PE1106.D251.M378 1997 
PY  - 1997///
CY  - Berlin, New York
PB  - Mouton de Gruyter
KW  - English language
KW  - Grammar
N1  - 1 (pages 497.-501) and indexes; 2
ER  -