TY  - BOOK
AU  - Banks W H
TI  - Halftone printing
U1  - 655.3 
PY  - 1964///
CY  - London
PB  - Pergamon Press
KW  - Halftone printing
N1  - Proceedings of the 7th international conference of Printing Research Institute, held in London, 1963
ER  -