00000nz  a2200000n  4500
001  KSH1998038112
005  20021220000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a신뢰 수준[信賴水準]▲
550  ▼a신뢰[信賴]▲
550  ▼a유의성[有意性]▲