00000nz  a2200000n  4500
001  KSH2003001018
005  20030501135026
008  030501 n azknn|abn          |a a|a    | 
150  ▼a그린란드 빙상[--氷床]▲
450  ▼wr▼i영어▼aGreenland Ice Sheet▲
550  ▼wg▼a대륙 빙하[大陸氷河]▲