000 00569nam a2200229Ia 4500
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007 ta
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024 _a21745
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aY7:3z7, L7
100 _aWatanabe H Ed.
245 0 _aHuman activity system
260 _aJapan
_bUniversity of Tokyo
_c1977
300 _ap.
_ccm.
942 _hY7:3z7, L7
_cTEXL
_2CC
999 _c97899
_d97899