TY  - BOOK
AU  - Ehrig,H.
AU  - Kreowski,H.-J.
ED  - International Workshop on Graph-Grammars and Their Application to Computer Science
TI  - Graph grammars and their application to computer science: 4th International Workshop, Bremen, Germany, March 5-9, 1990 : proceedings 
SN  - 354054478X
AV  - QA267.3 I587 1990
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Graph grammars
KW  - Congresses
KW  - Electronic data processing
ER  -