TY  - RPRT
TI  - No perfect two-state cellular automata for density classification exists.
AU  - M Land
AU  - RK Belew
PY  - 1995
DO  - 10.1103/physrevlett.74.5148
UR  - https://pubmed.ncbi.nlm.nih.gov/10058695/
ID  - 10058695
ER  -