TY - JOUR T1 - Calibration of Beacons for Indoor Environments based on a Digital Map and Heuristic Information JF - Sensors Y1 - 2019 A1 - Gualda, David A1 - Ureña, J. A1 - Alcalá, José A1 - Carlos Santos VL - 19Volume 29 IS - 3 JO - Sensors ER -