title: The physics and evolution of symbols and codes: reflections on the work of Howard Pattee.
authors.forename: L M
authors.initials: LM
authors.lastname: Rocha
mesh_terms: D001185:Artificial Intelligence; D005075:Biological Evolution; D049673:History, 20th Century; D008962:Models, Theoretical; D000069497:Origin of Life; D010825:Physics / Q000266:history*