Giuseppe Anastasi Renata Bandelloni Marco Conti Franca Delmastro Enrico Gregori Giovanni Mainetto Experimenting an Indoor Bluetooth-Based Positioning Service. 480-483 2003 conf/icdcsw/2003 ICDCS Workshops http://csdl.computer.org/comp/proceedings/icdcsw/2003/1921/00/19210480abs.htm db/conf/icdcsw/icdcsw2003.html#AnastasiBCDGM03