00000nz  a2200000n  4500
001  KSH1999021756
005  19991207135821
008  991207 n azknn|abn          |a a|a    | 
150  ▼a동굴 육수학[洞窟陸水學]▲
550  ▼wg▼a동굴학[洞窟學]▲
550  ▼wg▼a육수학[陸水學]▲