TY - JOUR T1 - Weak calibration of a visible light positioning system based on a position-sensitive detector: positioning error assessment JF - SENSORS Y1 - 2021 A1 - A. de la LLana A1 - J. L. Lazaro A1 - A. Gardel A1 - I. Bravo PB - MPDI CY - Suiza VL - 1 ER -