http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Discusses technical solutions to the problems of undersea exploration.
author, Eryl Davies ; editor, Jan Burgess ; assistant editor, Susan Brittain ; art editor, Peter Luff.
On cover: How submersibles operate--The job of the deep-sea diver--Make your own periscope.