00000nz  a2200000n  4500
001  KSH1999016589
005  20000320143510
008  990420 n azknn|abn          |a a|a    | 
150  ▼a극한 함수[極限函數]▲
450  ▼wr▼i영어▼alimit function▲
550  ▼wg▼a함수[函數]▲
550  ▼a극한(수학)[極限]▲