Palacios, Ximena Flores (1999): Contribution to the Estimation of Countries' Interdependence in the Area of Plant Genetic Resources Palacios, Ximena Flores. (1999). Contribution to the Estimation of Countries' Interdependence in the Area of Plant Genetic Resources. (CPGR Background Study Paper, No. 7). Rome: FAO. Download the pdf here (PDF, 131KB).