@article{Akyildiz05,
author  = "Ian F. Akyildiz and Dario Pompili and Tommaso Melodia",
title   = "{Underwater acoustic sensor networks: research challenges}",
journal = "Ad Hoc Networks (Elsevier)",
volume  = "3",
number  = "3",
month   = may,
year    = "2005",
pages   = "257-279"
}