Peter T. Breuer. Z! in Progress: Maintaining Z Specifications. In J. E. Nicholls, editor, Z User Workshop, Oxford, UK, Proceedings of the Fifth Annual Z User Meeting, 17-18 December 1990. Workshops in Computing, pages 295-318, Springer, 1990.
@inproceedings{Breuer90, title = {Z! in Progress: Maintaining Z Specifications}, author = {Peter T. Breuer}, year = {1990}, researchr = {https://researchr.org/publication/Breuer90}, cites = {0}, citedby = {0}, pages = {295-318}, booktitle = {Z User Workshop, Oxford, UK, Proceedings of the Fifth Annual Z User Meeting, 17-18 December 1990}, editor = {J. E. Nicholls}, series = {Workshops in Computing}, publisher = {Springer}, isbn = {3-540-19672-2}, }