00000nz  a2200000n  4500
001  KSH2002040917
005  20030113160917
008  021221 n azknn|abn          |a a|a    | 
150  ▼a원주 정리[圓周定理]▲
550  ▼a원둘레[圓--]▲
550  ▼a원주율[圓周率]▲