Heinz-Detlef Kronfeldt, Heinar Schmidt, Hans Amann, Brian Mac Craith, Michel Lehaitre, Michel Leclercq, Eusebio Bernabeu, Boris Mizaikoff, Dave Grant; Technical elements and potential application of spectroscopy for ocean monitoring, Proceedings of IEEE OCEANS'98 Conference, pp. 1780 - 1784, September 1998.