TY  - BOOK
ED  - Internationalen Kongress fur Reprographie 
ED  - Helwich, Othmar.
TI  - Reprographie: bericht uber den Internationalen Kongress fur Reprographie, Koln 14-19, Oktober 1963 
PY  - 1964///
CY  - Darmstadt
PB  - Verlag Othmar
KW  - Photocopying processes
KW  - Congresses
KW  - Photomechanical processes
ER  -