Yu ŭi chʻŏrhak
By: Rui dŭ Raeimekeru chŏ ; Yi Hyo-sang yŏk.
Contributors: Yi, Hyo-sang, 1906-
Publisher: Tonga Chʻulpʻansa
Published: 1969
Place of publication: [Seoul?]
Language: kor
Number of pages: 412
Subjects: Ontology.