@article{article, title = {{Implementation relations and testing for cyclic systems with refusals and discrete time}}, publisher = {{Elsevier}}, url = {{https://eprints.whiterose.ac.uk/163152/ }}, year = {{2020}}, month = {{12}}, author = {{Lefticaru R and Hierons R and Nunez M}}, doi = {{10.1016/j.jss.2020.110738}}, volume = {{170}}, journal = {{Journal of Systems and Software}}, note = {{Accessed on 2024/12/21}}}