\input zb-basic \input zb-ioport \iteman{io-port 05412977} \itemau{Efraimidis, Pavlos; Spirakis, Paul G.} \itemti{Randomized approximation schemes for scheduling unrelated parallel machines.} \itemso{Electron. Colloq. Comput. Complex. 7, No. 7 (2000).} \itemcc{} \itemut{} \itemli{http://eccc.hpi-web.de/eccc-reports/2000/TR00-007/index.html} \end