00423nam a2200109Ia 4500080001800000100002500018245006700043260002800110300001000138520014800148583001700296  a16.01.01 G173  aGallopín, Gilberto  aSystems approach to sustainability and sustainable development  bECLACaSantiagoCLc2003  a42 p.  aExamines the concepts of sustainability and sustainable development from a systems perspective, seeking to abstract their fundamental elements.  c6/5/03kJOYD