00000nz  a2200000n  4500
001  KSH1998015401
005  20021023183208
008  980429 n azknn|abn          |a a|a    | 
150  ▼a고온 초전도[高溫超傳導]▲
450  ▼wr▼i영어▼ahigh temperature superconductivity▲
550  ▼wg▼a초전도[超傳導]▲
550  ▼a임계 온도[臨界溫度]▲
550  ▼a초전도 물질[超傳導物質]▲