References
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- Bamforth, S. S., 1982: The variety of artificial substrates used for microfauna. — In: Cairns, J. jr. (ed.): Artificial Substrates. — 115–130. Ann Arbor Science Publishers Group, Michigan.
- Cairns Jr., J., Dahlberg, M. L., Dickson, K. L., Smith, N. & Waller, W. T., 1969: The relationship of freshwater protozoan communities to the MacArthur-Wilson equilibrium model. — Amer. Nat. 105: 439–454.
- Garzon, Z. M. A., 1990: Caracterización saprotrófica de los lagos cráter de la región de Los Llanos, Pue. Bachelor Thesis. ENEP I, UNAM. Mexico, (in Spanish). Saprobic and trophic characteristics of the crater-lakes in Los Llanos region, Puebla.
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