00000nz  a2200000n  4500
001  KSH1997000280
005  19970428102315
008  970428 n azknn|abn          |a a|a    | 
150  ▼a난생 포유류[卵生哺乳類]▲
550  ▼wg▼a포유류[哺乳類]▲
550  ▼wh▼a단공목[單孔目]▲