Sosa López, A. A., Flores Balderas, A., Trejo Durán, M., & Alvarado Méndez, E. (2016). Three-Dimensional Volumetric Coordinate System Through the use of Light-Emitting-Diodes (LEDs) and Microcontrollers. Acta Universitaria, 26, 35-38. https://doi.org/10.15174/au.2016.931