[1]
Berumen Solórzano, A. et al. 2017. Temporal changes of waterbirds at the "Valsequillo Reservoir", a Ramsar site in Puebla, México. Huitzil Revista Mexicana de Ornitologí­a. 18, 2 (Oct. 2017). DOI:https://doi.org/10.28947/hrmo.2017.18.2.278.