Mezue ahịrịokwu na-esonụ: Franz Grafetsberger bụ onye bụbu onye Austria slalom canoeist nke gbara asọmpi na 1950s. O ritere ihe nrite ọlaedo n'asọmpi K-1 nke ndị otu na-agbagọ agbagọ n'asọmpi
1953 ICF Canoe Slalom World Championships na Meran.