TY - JOUR T1 - The theory of classification: Part 14: Modification and objects like myself JO - Journal of Object Technology UR - https://eprints.whiterose.ac.uk/79269/ PY - 2004/01/01 AU - Simons AJH ED - DO - DOI: 10.5381/jot.2004.3.8.c2 VL - 3 IS - 8 SP - 15 EP - 26 Y2 - 2024/12/22 ER -