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REFERENCES

  • Faegri, Knut & Iversen, Johs. (1950). Text-book of Modern Pollen Analysis. Copenhagen .
  • Frey, D. G. (1951). Pollen succession in the sediments of Singletary Lake, North Carolina. Ecology, 32, 518.
  • Knox, A. S. (1942). The use of bromoform in the separation of non-calcareous microfossils. Science, 95, 307.