Title: 20-segi chŏnban miyŏk kwa myŏngt'ae ŏŏp ŭl t'onghae pon Tonghae ŭi chŏnt'ong ŏŏp kisul kwa ŏmin
Subjects: Fishery technology, History, Pollock fisheries, Marine algae
Places: Korea (South), Japan Sea Coast