Kyung Moon hwang, "A History of Korea, An Episodic Narrative", 2010, p. 4 "古朝鮮과 琵琶形銅劍의 問題". 단군학연구 (12): 5–30. June 16, 2005 – via www.dbpia.co.kr. 기자조선. terms...

part of the Korean Peninsula is divided into "Violin-shaped daggers"(비파형동검, 琵琶形銅劍) and the southern part into “Slender daggers”(세형동검, 細形銅剣), but all of them...