1 "Fișier:Underwater_inspection_of_navigation_structures_with_an_acoustic_camera_-_USACE-p266001coll1-4521.pdf".

Fișier:Underwater inspection of navigation structures with an acoustic camera - USACE-p266001coll1-4521.pdf

English applies to jurisdiction: United States of America determination method or standard: work of the federal government of the United States...