00000nz  a2200000n  4500
001  KSH1998011828
005  20021112161258
008  980429 n azknn|abn          |a a|a    | 
150  ▼a경쟁 반응[競爭反應]▲
450  ▼wr▼i영어▼acompetitive reaction▲
550  ▼wg▼a화학 반응[化學反應]▲