TY  - RPRT
TI  - Bio-steps beyond Turing.
AU  - Cristian S Calude
AU  - Gheorghe Păun
PY  - 2004
DO  - 10.1016/j.biosystems.2004.05.032
UR  - https://pubmed.ncbi.nlm.nih.gov/15527956/
ID  - 15527956
ER  -