TY  - BOOK
AU  - Verry,H.R.
AU  - Fibp,
AU  - Arps,
TI  - Document copying and reproduction processes
U1  - 652.4 
PY  - 1958///
CY  - London
PB  - Fountain Press
KW  - Photocopying
KW  - Copying process
KW  - Photocopying services
N1  - Includes index; Bibliography: p. 298-306
ER  -