TY  - BOOK
AU  - Ehrig, H.
AU  - Kreowski, HJ.
AU  - Rozenberg, G.
TI  - Graph grammars and their application to computer science
T2  - Lecture notes in computer science
SN  - 354054478X
U1  - 006.6, 
PY  - 1991///
CY  - New York
PB  - Springer Verlag
ER  -