At the world championships they won two gold , one silver and one bronze medal in 1970 -- 1973 .
Covaliov also had a gold medal in 1966 with Vicol Calabiciov .
At the world championships they won two gold , one silver and one bronze medal in 1970 -- 1973 , while Covaliov also had a gold medal in 1966 with Vicol Calabiciov .