00000nz  a2200000n  4500
001  KSH1998013344
005  20021023151350
008  980429 n azknn|abn          |a a|a    | 
150  ▼a빙식곡[氷蝕曲]▲
450  ▼a빙하곡[氷河谷]▲
450  ▼wr▼i영어▼aglacial trough▲
450  ▼wr▼i영어▼aglacial valley▲
550  ▼wg▼a계곡[溪谷]▲
550  ▼wh▼aU자 곡[--字谷]▲
550  ▼a빙식 작용[氷蝕作用]▲
550  ▼a빙식[氷蝕]▲
550  ▼a빙하 계류[氷河溪流]▲
550  ▼a빙하[氷河]▲
550  ▼a유자곡[--字谷]▲