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999 _c36515
_d36515
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003 DR-UNIBE
005 20221110151356.0
008 210224b1991 sz ||||| |||| 00| 0 eng d
040 _cBIBLIOTECA UNIBE
_aBIBLIOTECA UNIBE
041 _aeng
090 _aF- 0831
245 1 0 _aCaring for the earth :
_ba strategy for sustainable living (summary)
260 _aGland :
_bInternational Union for Conservation of Nature (IUCN) :
_bUnited Nations Environment Programme (UNEP),
_c1991
300 4 _a24 p
505 4 _aMedio ambiente
650 _aControl ambiental
_955677
650 _aProtección del medio ambiente
_955678
650 _aEcodesarrollo
_929733
942 _aMX
_2ddc
_cMX