Navigation - History.

The sea in world history = exploration, travel, and trade / by: (Language materials, printed)

Galileo and satellite navigation by: (Language materials, printed)

Geographical Information System.

Commerce

Navigation

Signal, Speech and Image Processing.

Galilei, Galileo,

Voyages and travels

Trade routes

Ocean travel

Discoveries in geography

History of Physics and Astronomy.

Astronomy, Observations and Techniques.