The Electronic Chart. Fundamentals, Functions and other Essentials: A Textbook for ECDIS Use and Training, Horst Hecht, Bernhard Berking, Mathias Jonas, Lee Alexander
Center for Coastal and Ocean Mapping

The WEND Concept for Worldwide ENC Database - Past or Future? A Review of Progress and a Look to the Future, Horst Hecht, Abri Kampfer, Lee Alexander
Center for Coastal and Ocean Mapping

The Electronic Chart : functions, potential, and limitations of a new marine navigation system, Horst Hecht, Bernhard Berking, Gert Buttgenbach, Mathias Jonas, Lee Alexander
Center for Coastal and Ocean Mapping

The Electronic Chart : functions, potential, and limitations of a new marine navigation system, Horst Hecht, Bernhard Berking, Gert Buttgenbach, Mathias Jonas, Lee Alexander
Center for Coastal and Ocean Mapping