AUVs provide a safe, cost-effective and reliable alternative to manned or
remotely controlled systems. ... The level of autonomy achieved by AUVs is
chiefly determined by their performance in three areas: ...... Carreras, M.; Batlle, J.
; Ridao, P. & Roberts, G. N. (2000). .... Tan, C. S.; Sutton R. & Chudley J. (2004).