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999 _c26100
_d26100
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005 20240606150109.0
008 170703s1976####wau||||f#|||||10| 0#eng#d
040 _cAR-SmCIES
041 7 _aen
_2ISO 639-1
091 _a24430
111 2 _aNational Academy of Sciences Bicentennial Symposium
_cWashington,US
_d1976
_97786
245 1 0 _aScience: a resource for humankind
260 _aWashington :
_bNational academy of sciences,
_c1976.
300 _a85 p. :
_b27,5 cm.
650 7 _2INIST
_92758
_aMEDIO AMBIENTE
650 7 _2INIST
_91088
_aPOLITICA DEL MEDIO AMBIENTE
942 _2udc
_cBK