TY  - BOOK
AU  - Roy, Ashok
TI  - The national gallery technical bulletin. Vol. 30
SN  - 9781857094206
U1  - 069 ROY 
PY  - 2009///
CY  - London ; New Haven
PB  - Distributed by Yale University Press
KW  - Art -- Technique
KW  - Painting -- Conservation and restoration
ER  -