Mezue ahịrịokwu na-esonụ: Roland Wyss bụ onye bụbu onye Switzerland slalom canoeist onye mpi na 1970s. O ritere ihe nrite abụọ n'asọmpi C-2 n'asọmpi ICF Canoe Slalom World Championships na ọlaọcha na
1977 na ọla nchara na 1979.