TY  - BOOK
AU  - Williams 
TI  - Spon's practical guide to alterations & extentions 
SN  - 9780415434263 
U1  - 690.837 WIL 2008 
PY  - 2008///
CY  - London
PB  - Taylor & Francis
KW  - Buildings
KW  - Additions
ER  -