00000nz  a2200000n  4500
001  KSH2000035574
005  20021129000000
008  001030 n azknn|abn          |a a|a    | 
150  ▼a사수 현상[死水現象]▲
450  ▼wr▼i영어▼adead water phenomenon▲
550  ▼a내부파[內部波]▲
550  ▼a표면파[表面波]▲