Ávila-Nájera, D. M., B. J. Tigar, Z. Zavala-Sánchez, P. Zetina-Cordoba, and R. Serna-Lagunes. “A Quantitative Method for Evaluating Contemporary Cultural Uses of Birds: A Case Study from Mexico”. Ethnobiology Letters, Vol. 11, no. 2, Dec. 2020, pp. 5-19, doi:10.14237/ebl.11.2.2020.1644.