00000nz a2200000n 4500 001 KSH1998016627 005 20000328060236 008 980429 n azknn|abn |a a|a | 150 ▼a관계 개념[關係槪念]▲ 450 ▼wr▼i독일어▼aRelationsbegriff▲ 450 ▼wr▼i독일어▼aVerhaltnisbegriff▲ 450 ▼wr▼i영어▼aconcept of relation▲ 550 ▼a관계(연관)[關係]▲ 550 ▼a관계론[關係論]▲