TY  - BOOK
AU  - Gair,Angela
TI  - Tonal values: how to see them, how to paint them 
SN  - 0891342206 :
AV  - ND 1500 .G33 1987
PY  - 1987///
CY  - Cincinnati, Ohio
PB  - North Light Books
KW  - Painting
KW  - Technique
N1  - "A Quarto book"--T.p. verso; Includes index
ER  -