00000nz  a2200000n  4500
001  KSH1998007764
005  19980704125831
008  980429 n azknn|abn          |a a|a    | 
150  ▼a외연[外延]▲
450  ▼wr▼i영어▼aextension▲
550  ▼a개념[槪念]▲
550  ▼a교차 개념[交叉槪念]▲
550  ▼a내포(개념)[內包]▲