유니온스틸 50년사
Subtitle: Union Steel 50 years history, 1962-2012
By: Sasa P'yŏnch'an Wiwŏnhoe
Publisher: Yunion Sŭt'il Chusik Hoesa
Published: 2012
Place of publication: Sŏul
Language: kor
Number of pages: 623
Subjects: History; Steel industry and trade; Yunion Sŭt'il Chusik Hoesa
Other titles: Yunion Sŭt'il 50-yŏnsa; Union Steel 50 years history, 1962-2012; Yunion Sŭt'il osimnyŏnsa
Notes: Includes bibliographical references.