TY  - BOOK
AU  - Proudfoot,W.B.
TI  - The origin of stencil duplicating
SN  - 0091092809
PY  - 1972///
CY  - London
PB  - Hutchinson
KW  - Copying processes
KW  - History
KW  - Stencils and stencil cutting
N1  - Bibliography: p. 118-121
ER  -