\input zb-basic \input zb-ioport \iteman{io-port 70693908} \itemau{Wang, Jiaqi; Welch, Jennifer L.; Lee, Hyunyoung} \itemti{Time bounds for shared objects in partially synchronous systems} \itemso{PODC, 347-348 (2011).} \itemcc{} \itemut{} \itemli{doi:10.1145/1993806.1993877} \end