Person · 1988 CEYoo Byung-sooAlso known asYu Byon-suЮ Бён Суיו ביון סוيو بيونج سويو بيونغ سويوو بيونغ سووarchival plate · Yoo Byung-soo · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to5 links to entries not yet ingested in the Library.