Aguilar-Martínez, X. E., M. Martínez-Quiroz, and M. T. Oropeza-Guzmán. “Study of Photophysical Properties of Bis-Fluorophoreic Type Sensors and Their Application in the Detection of Metal Ions”. Revista De Ciencias Tecnológicas, vol. 2, no. 3, Sept. 2019, pp. 124-36, doi:10.37636/recit.v23124136.