../ Paruelo, J.M. y Tomasel F. 1997. Prediction of ..> 30-Oct-2013 17:16 837561 Paruelo, J.M., Epstein H.E. , Lauenroth W.K. y ..> 30-Oct-2013 17:16 86016 Sala, O.E. y Paruelo J.M. 1997. Ecosystem servi..> 30-Oct-2013 17:16 262000