00000nz  a2200000n  4500
001  KSH2003003689
005  20030601001929
008  030601 n azknn|abn          |a a|a    | 
150  ▼a지구 전자기학[地球戰磁氣學]▲
450  ▼wr▼i영어▼ageomagnetism and geoelectricity▲
550  ▼wg▼a물성 물리학[物性物理學]▲
550  ▼wg▼a지구 물리학[地球物理學]▲