Upʻo nŭp
Subtitle: wŏnsi ŭi chayŏn sŭpchi, kŭ saengtʻae pogosŏ
By: kŭl Kang Pyŏng-guk ; sajin Sŏng Nak-song
Contributors: Sŏng, Nak-song
Edition: Chʻopʻan
Publisher: Chisŏngsa
Published: 2003
Place of publication: Sŏul-si
Language: kor
Number of pages: 152
Subjects: Wetland ecology; Wildlife conservation; Natural history
Notes: Includes index.