@misc{misc, title  = {{Building a refinement checker for Z}},

 url = {{https://doi.org/10.4204/EPTCS.55 }},

 year = {{2011}},

 month = {{6}},

 author = {{Derrick J and North S and Simons AJH}},

 doi = {{10.4204/EPTCS.55.3}},

 note = {{Accessed on 2024/12/22}}}