00000nz  a2200000n  4500
001  KSH1998042921
005  20021022000000
008  980702 n azknn|abn          |a a|a    | 
150  ▼a광화학 반응성[光化學反應性]▲
450  ▼wr▼i영어▼aphotochemical reactivity▲
550  ▼a광화학 반응[光化學反應]▲