\input zb-basic \input zb-ioport \iteman{io-port 05749218} \itemau{Bernardo, Marco} \itemti{Uniform logical characterizations of testing equivalences for nondeterministic, probabilistic and Markovian processes.} \itemso{Electron. Notes Theor. Comput. Sci. 253, No. 3, 3-23 (2009).} \itemcc{} \itemut{} \itemli{doi:10.1016/j.entcs.2009.10.002} \end