Roderic A. Girle. Shades of consciousness. Minds and Machines, 6(2):143-157, 1996. [doi]
@article{Girle96-0, title = {Shades of consciousness}, author = {Roderic A. Girle}, year = {1996}, doi = {10.1007/BF00391283}, url = {http://dx.doi.org/10.1007/BF00391283}, researchr = {https://researchr.org/publication/Girle96-0}, cites = {0}, citedby = {0}, journal = {Minds and Machines}, volume = {6}, number = {2}, pages = {143-157}, }