Keye Martin. A Triangle Inequality for Measurement. Applied Categorical Structures, 11(1):27-40, 2003. [doi]
@article{Martin03:3, title = {A Triangle Inequality for Measurement}, author = {Keye Martin}, year = {2003}, doi = {10.1023/A:1023060808053}, url = {http://dx.doi.org/10.1023/A:1023060808053}, researchr = {https://researchr.org/publication/Martin03%3A3}, cites = {0}, citedby = {0}, journal = {Applied Categorical Structures}, volume = {11}, number = {1}, pages = {27-40}, }