Reliable counterparts: efficiently testing causal relationships in digital twins. - Richard J. Somers; Andrew G. Clark; Neil Walkinshaw; Robert M. Hierons (MoDELS (Companion), 2022)

Digital-twin-based testing for cyber-physical systems: A systematic literature review. - Richard J. Somers; James A. Douthwaite; David J. Wagg; Neil Walkinshaw; Robert M. Hierons (Inf. Softw. Technol., 2023)

Configuration Testing of an Artificial Pancreas System Using a Digital Twin: An Evaluative Case Study. - Richard J. Somers; Neil Walkinshaw; Robert M. Hierons; Jackie Elliott; Ahmed Iqbal; Emma Walkinshaw (Softw. Test. Verification Reliab., 2025)

The Causal Testing Framework. - Michael Foster 001; Andrew G. Clark; Christopher Wild; Farhad Allian; Robert D. Turner; Richard J. Somers; Nicholas Latimer; Neil Walkinshaw; Robert M. Hierons (J. Open Source Softw., 2025)