@article{article, title = {{The theory of classification part 15: Mixins and the superclass interface}}, url = {{}}, year = {{2004}}, month = {{1}}, author = {{Simons AJH}}, doi = {{10.5381/jot.2004.3.10.c1}}, volume = {{3}}, journal = {{Journal of Object Technology}}, issue = {{10}}, pages = {{7-18}}, note = {{Accessed on 2025/11/29}}}