1. State trace analysis: A method of testing simple theories of causation;Bamber;Journal of Mathematical Psychology,1979
2. An evaluation of evidence supporting fact-retrieval models;Baroody;Learning and Individual differences,1994
3. Numerical cognition: Evidence for hyperspecific, interactive operations;Campbell;Current Psychology of Cognition,1994
4. Mechanisms of simple addition and multiplication: A modified network-interference theory and simulation;Campbell;Mathematical Cognition,1995
5. Mental multiplication skill: Structure, process, and acquisition;Campbell;Canadian Journal of Psychology,1985