TY  - RPRT
TI  - Self-replicating machines in continuous space with virtual physics.
AU  - Arnold Smith
AU  - Peter Turney
AU  - Robert Ewaschuk
PY  - 2003
DO  - 10.1162/106454603321489509
UR  - https://pubmed.ncbi.nlm.nih.gov/12725680/
ID  - 12725680
ER  -