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