00000nz  a2200000n  4500
001  KSH1998045060
005  20021107101311
008  980706 n azknn|abn          |a a|a    | 
150  ▼a교환 관계[交換關係]▲
450  ▼wr▼i영어▼acommutation relation▲
450  ▼wr▼i영어▼arelation of exchange▲
550  ▼a교환(경제학)[交換]▲
550  ▼a생산 관계[生産關係]▲
550  ▼a양자 역학[量子力學]▲