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REFERENCES

  • Ager, D.V. 1963. Principles of Paleoecology. McGraw-Hill Book Company: New York.
  • Brenchley, P.J., Harper, D.A.T. 1998. Palaeoecology: Environments, Ecosystems and Evolution. Chapman and Hall: London.
  • Schäfer, W. 1962. Akuto-Palaöntologie nach studien in der Nordsee. Waldemar Kramer, Frankfurt-am-Main.