* Kumar, Anand and Smith, Barry (2003) The Unified Medical Language System and the Gene Ontology: Some Critical Reflections, in: KI 2003: Advances in Artificial Intelligence (Lecture Notes in Artificial Intelligence 2821), Berlin: Springer, 135–148.
* Kumar, Anand and Smith, Barry (2003) The Unified Medical Language System and the Gene Ontology: Some Critical Reflections, in: KI 2003: Advances in Artificial Intelligence (Lecture Notes in Artificial Intelligence 2821), Berlin: Springer, 135–148.