TY  - BOOK
AU  - Herman,Gabor T.
AU  - Rozenberg,Grzegorz
TI  - Developmental systems and languages
SN  - 0444106502 :
U1  - 001.6424 
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland Pub.
KW  - Biology
KW  - Data processing
KW  - Formal languages
N1  - Includes index
ER  -