TY  - BOOK
AU  - Hawken,William R.
ED  -  American Library Association. Library Technology Project
TI  - Photocopying from bound volumes : : a study of machines, methods, a nd materials / 
U1  - 778.1 HAW 
PY  - 1962///] repr. 1963
CY  - Chicago : 
PB  - American Library Association, 
KW  - Photocopying
KW  - Photomechanical processes
N1  -  Supplement. no.1 - Chicago , Library Technology Project, American Li brary Association, 1963- no. ill. 28 cm
ER  -