A green laser water penetration system devised by Sylvania Electronic Systems in
the late 1970's. Although advertised for fisheries use, this technology has
evolved into LIDAR, a system for measuring shallow-water bathymetry and also for
into a rapid terrain mapping technique. In: Farooq Hussain, 1970, "Living
Underwater, " p. 87. Library Call Number GC65 H8 1970b.
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