Issue No.03 - May/June (2000 vol.17)
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/52.896248
The authors define a reference model for applying formal methods to the development of user requirements and their reduction to a system's behavioral specification. Their approach focuses on the shared phenomena that define the interface between the system and the environment in which it will operate and on how the parts of this interface are controlled.
Elsa L. Gunter, Michael Jackson, Pamela Zave, "A Reference Model for Requirements and Specifications", IEEE Software, vol.17, no. 3, pp. 37-43, May/June 2000, doi:10.1109/52.896248