TY  - BOOK
AU  - Hawken, William R.
TI  - Photocopying from bound volumes: a study of machines, methods, and materials
T2  - (LTP publication); 4
AV  - TR927.H3 
PY  - 1963///
CY  - Chicago
PB  - American Library Association
KW  - Photomechanical processes
ER  -