The following publications are possibly variants of this publication:
- Two-dimensional rotation-symmetric number-conserving cellular automataAdam Dzedzej, Barbara Wolnik, Anna Nenca, Jan M. Baetens, Bernard De Baets. isci, 577:599-621, 2021. [doi]
- Efficient enumeration of three-state two-dimensional number-conserving cellular automataAdam Dzedzej, Barbara Wolnik, Anna Nenca, Jan M. Baetens, Bernard De Baets. iandc, 274:104534, 2020. [doi]