00000nz  a2200000n  4500
001  KSH2003000671
005  20030512191853
008  030512 n azknn|abn          |a a|a    | 
150  ▼a단구면 대비[段丘面對比]▲
450  ▼wr▼i영어▼acorrelation of terrace surface▲
550  ▼a고지리학[古地理學]▲
550  ▼a단구면[段丘面]▲
550  ▼a지각 변동[地殼變動]▲
550  ▼a지형 발달사[地形發達史]▲