@Article{references:Rodriguez12Sensors,
AUTHOR = {Rodríguez, Alberto and Yebes, J. Javier and Alcantarilla, Pablo F. and Bergasa, Luis M. and Almazán, Javier and Cela, Andrés},
TITLE = {Assisting the Visually Impaired: Obstacle Detection and Warning System by Acoustic Feedback},
JOURNAL = {Sensors},
VOLUME = {12},
YEAR = {2012},
NUMBER = {12},
PAGES = {17476--17496},
URL = {http://www.mdpi.com/1424-8220/12/12/17476},
ISSN = {1424-8220},
DOI = {10.3390/s121217476}
}