TY  - BOOK
AU  - Williams,Robert, x
AU  - x
TI  - Art  theory: An  historical  introduction
SN  - 9781405184144
U1  - R709/W721a 
PY  - 2009///
CY  - Oxford
PB  - Wiley- Blackwell
KW  - Arts- History
KW  - Arts
ER  -