TY  - GEN
AU  - Nake, F [ed.]
AU  - Rosenfeld, A [ed.]
ED  - IFIP Working Conference on Graphic languages
TI  - Graphic languages: proceedings ..
SN  - 0720420687
U1  - 001.6424 
PY  - 1972///
CY  - Amsterdam
PB  - North-Holland
KW  - Programming Languages (Electronic Computers)
ER  -