00000nz  a2200000n  4500
001  KSH1998030980
005  20000614100455
008  980429 n azknn|abn          |a a|a    | 
150  ▼a반중력[反重力]▲
450  ▼wr▼i영어▼aantigravity▲
550  ▼wg▼a중력[重力]▲
550  ▼a인력 작용[引力作用]▲
550  ▼a환원 중력[還元重力]▲