Aceto, L., W. J. Fokkink, and A. Ingólfsdóttir. “A Menagerie of Non-Finitely Based Process Semantics over BPA*: From Ready Simulation Semantics to Completed Traces”. BRICS Report Series, vol. 3, no. 23, Jan. 1996, doi:10.7146/brics.v3i23.20003.