Ocean Planet: Reference Note

[37] Carlton, J. T., 1992. Marine species introductions by ships' ballast water: an overview. In: Introductions and transfers of marine species. Ed., M. R. DeVoe. S.C. SeaGrant Consortium: 23-26. Carlton, J. T., and J. B. Geller, 1993. Ecological roulette: The global transport of nonindigenous marine organisms. Science 261: 78-82.