المؤلفون: Zampella, Francisco J., Jimenez, Antonio R., Seco, Fernando, Prieto, J. Carlos, Guevara, Jorge I.

المصدر: 2011 International Conference on Indoor Positioning and Indoor Navigation

الاتاحة: http://dx.doi.org/10.1109/ipin.2011.6071930
http://xplorestaging.ieee.org/ielx5/6062621/6071904/06071930.pdf?arnumber=6071930