Angelo Perkusich and Jorge Figueiredo. 1995.
 A G-Net Based Environment for Logical and Timing Analysis of Software Systems. In <em>Proceedings of the 9th Brazilian Symposium on Software Engineering</em>, October 03, 1995, Recife/PE, Brasil. SBC, Porto Alegre, Brasil, 241-256. DOI: <a href="https://doi.org/10.5753/sbes.1995.24087">https://doi.org/10.5753/sbes.1995.24087</a>.