TY  - BOOK
AU  - Verry,Herbert Richard
TI  - Document copying and reproduction processes 
U1  - 094.3 VER 
PY  - 1960///.
CY  - London : 
PB  - Fountain Press, 
KW  - Document copying-reproduction processes
KW  - Document reproduction
KW  - Photomechanical techniques
ER  -