@inproceedings{  
   author = {A. Mandal, C. Lopes, T. Givargis, A. Haghighat, R. Jurdak, P. Baldi},
   title = {Beep: 3D Indoor Positioning Using Audible Sound.},
   booktitle = {Proceedings of the 2004 IEEE Consumer Communications and Networking Conference},
   editor = {},
   series = {},
   address = {},
   publisher = {},
   volume = {},   
   pages = {348-353},
   note = {},
   abstract = {},
   keywords = {},
   year = {2004}
}