00000nz  a2200000n  4500
001  KSH1999014136
005  19990414154130
008  990414 n azknn|abn          |a a|a    | 
150  ▼a동일법[同一法]▲
450  ▼wr▼i영어▼amethod of indetification▲
550  ▼wg▼a간접 증명법[間接證明法]▲