TY  - BOOK
AU  - Mason, Donald.
ED  - Association of Assistant Librarians.
TI  - Document reproduction in libraries
SN  - 0900092017
U1  - 025.129 MAS 
PY  - 1968///
CY  - London
PB  - Association of Assistant Librarians
KW  - Copying processes
N1  - Includes bibliographical references ( p.144)
ER  -