00000nz  a2200000n  4500
001  KSH2002011696
005  20021011000000
008  020421 n azknn|abn          |a a|a    | 
150  ▼a월각차[月角差]▲
450  ▼wr▼i영어▼aparallactic inequality▲
550  ▼a달(천체)[月]▲
550  ▼a삭망월[朔望月]▲