@article{padilla_villalobos_spiller_henry_2007, 
  title={Consumer Preference and Willingness to Pay for an Officially Certified Quality Label: Implications for Traditional Food Producers}, 
  volume={67}, 
  DOI={10.4067/s0365-28072007000300009}, 
  publisher={SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)}, 
  author={Padilla and Villalobos and Spiller and Henry}, 
  year={2007}
  }