@article{article, title = {{The theory of classification part 5: Axioms, assertions and subtyping}}, url = {{https://eprints.whiterose.ac.uk/79270/ }}, year = {{2003}}, month = {{1}}, author = {{Simons AJH}}, doi = {{10.5381/jot.2003.2.1.c2}}, volume = {{2}}, journal = {{Journal of Object Technology}}, issue = {{1}}, pages = {{13-21}}, note = {{Accessed on 2024/12/25}}}