00000nz  a2200000n  4500
001  KSH1998031556
005  20021114074426
008  980429 n azknn|abn          |a a|a    | 
150  ▼a육종 개량[育種改良]▲
550  ▼a배이식[胚移殖]▲
550  ▼a육종(종자)[育種]▲