<prompt> Qedela umusho olandelayo: U-Olbricht uphinde wathola izindondo eziyisithupha kuma-ICF Canoe Sprint World Championships ngegolide ezine K-2 500 m: 1977,  <response>: 1978; K-4 1000 m: 1978, 1979 futhi amabili esiliva K-2 500 m: 1979, K-2 1000 m: 1977. 