00000nz  a2200000n  4500
001  KSH1998021280
005  19990516155235
008  980429 n azknn|abn          |a a|a    | 
150  ▼a균질권 끝면▲
550  ▼wg▼a균질권[均質圈]▲
550  ▼wg▼a상층 대기[上層大氣]▲