@inproceedings{  
   author = {R. Jurdak, C. Lopes, P. Baldi},
   title = {An Identfication Scheme for Location Systems Using Robust Acoustic Signals.},
   booktitle = {Proceeding of the ACS/IEEE International Conference on Pervasive Services},
   editor = {},
   series = {},
   address = {Beirut, Lebanon},
   publisher = {IEEE Computer Society Press},
   volume = {},   
   pages = {},
   note = {},
   abstract = {},
   keywords = {},
   year = {2004}
}