00000nz  a2200000n  4500
001  KSH1998000364
005  20021008000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a2중 택일문[二重擇一文]▲
450  ▼wr▼i영어▼adouble alternative▲
550  ▼wg▼a택일문 구조[擇一文構造]▲
550  ▼a다중 택일문[多重擇一文]▲
550  ▼a단순 택일문[單純擇一文]▲
550  ▼a프로그래밍 언어[--言語]▲