00340nam a2200109Ia 450000500170000008000170001724500940003426000320012830000110016050000400017158300190021120260716043105.0  a16.01.01 U58  aSustainable development : changing production patterns, social equity and the environment  bUN. ECLACaSantiagoCLc1991  a146 p.  aIncludes bibliographical references  c3/7/00kM2LMGR