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Books about Riwen:
Dunhuang Tulufanxue lunzhu mulu chubian: Riwen bufen by Defan Li (1999)
Wiki information Riwen:
Hans Erik Riwen is a Norwegian politician for the Conservative Party. He was born in Fredrikstad. He was a member of the Norwegian Young Conservatives central board from 1963 to 1967, and then became a deputy member of Drammen city council. After the...