@article{article, title  = {{Calculating upward and downward simulations of state-based specifications}},

 url = {{}},

 year = {{1999}},

 month = {{9}},

 author = {{Derrick J and Boiten E}},

 volume = {{41}},

 journal = {{INFORM SOFTWARE TECH}},

 issue = {{13}},

 pages = {{917-923}},

 note = {{Accessed on 2024/12/20}}}