비약 의 나래
Subtitle: changpʻyŏn sosŏl
By: Yi Tong-gu
Series: Chʻongsŏ "Pulmyŏl ŭi hyangdo"; Chʻongsŏ "Pulmyŏl ŭi hyangdo."
Publisher: Munhak Yesul Chʻulpʻansa
Published: 2002
Place of publication: Pʻyŏngyang]
Language: kor
Number of pages: 463
Other titles: Piyak ŭi narae
Notes: Preserved, Deacidified, 2011 Cranberry, PA Preservation Technologies LP