@article{article, title  = {{The theory of classification part 18: Polymorphism through the looking glass}},

 url = {{https://eprints.whiterose.ac.uk/79261/ }},

 year = {{2005}},

 month = {{5}},

 author = {{Simons AJH}},

 volume = {{4}},

 journal = {{Journal of Object Technology}},

 issue = {{4}},

 pages = {{7-18}},

 note = {{Accessed on 2024/12/22}}}