00000nz  a2200000n  4500
001  KSH1998004744
005  20021010000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a가이거 누탈의 법칙[--法則]▲
450  ▼wr▼i영어▼aGeiger-Nuttall's law▲
550  ▼a방출(물리)[放出]▲
550  ▼a알파 붕괴[--崩壞]▲