00291nas a2200097   4500000000100000008004100001260000800042100002800050245006700078856004800145       1999                            d  coct1 aLlorenç Cerdà-Alabern00aTraffic Management of the ABR Service Category in ATM Networks  uhttp://www.tdx.cesca.es/TDX-0921104-175342/