TY  - BOOK
AU  - Hayes,Charles J., Koller, E.L.
AU  - x
TI  - Drawing for process reproduction: Drawing for line engraving retouching for halftones drawing for color reproduction
SN  - x
U1  - 743/HAD 
PY  - 1940///
CY  - Scranton
PB  - International textbook
KW  - x
N1  - x
ER  -