\input zb-basic \input zb-ioport \iteman{io-port 70693178} \itemau{Herlihy, Maurice; Rajsbaum, Sergio; Tuttle, Mark R.} \itemti{Unifying synchronous and asynchronous message-passing models} \itemso{PODC, 133-142 (1998).} \itemcc{} \itemut{} \itemli{doi:10.1145/277697.277722} \end