Baretta-Bekker, J.G.. Encyclopaedia of marine sciencs / J.G. Baretta-Bekker, E.K. Duursma, B.R. Kuipers. - Berlin : Springer-Verlag , 1992. - 311p. : ills ; 21cm . NULL ISBN: 3540545018 NULL Subjects--Index Terms: MARINE SCIENCES- ENCYCLOPEDIAS Dewey Class. No.: 551.4603 / BAR/E