The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • E. Haeckel. 1866. Generelle Morphologie der Organismen, Allgemeine Grundzuge der Organischen Formen-Wissenschaft, Mechanisch Begründet Durch die von Charles Darwin Reformirte Descendez-Theorie. Verlag von Georg Reimer, Berlin
  • N. N. Smirnov, Food cycles in sphagnous bogs, Hydrobiologia 17:175-182, from p. 179 (1961).

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