00000nz  a2200000n  4500
001  KSH1998007754
005  20000830134120
008  980429 n azknn|abn          |a a|a    | 
150  ▼a집합 개념[集合槪念]▲
550  ▼wg▼a개념[槪念]▲
550  ▼a개체 개념[個體槪念]▲