@misc{indiciaebb784356bbaa, title = {A cognitiveview and a probability-orientedmodel obiological classification.}, author = {R A Davidson and R A Dunn}, year = {1969}, doi = {10.1111/j.1749-6632.1969.tb34083.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5260055/}, note = {Source identifier: 5260055} }