1. Buikema, A. L. Jr., Cairns, J. Jr., and Yougue, W. H. Jr.: 1983, ‘Correlation Between the Autotrophic Index and Protozoan Invasion Rates as Indicators of Pollution Stress’, in W. E. Bishop, R. D. Cardwell, and B. D. Heidolph (eds.), Aquatic Toxicology and Hazard Assessment: Sixth Symposium, American Society for Testing and Materials, Philadelphia, Pa., pp. 204–215.
2. Cairns, J.Jr. and Henebry, M. S.: 1982, ‘Noninteractive Protozoan Colonization Processes’, in J.CairnsJr. (ed.), Artificial Substrates, Ann Arbor Science Publishers, Inc., Ann Arbor, Mich., pp. 23–70.
3. Cairns, J.Jr., Dahlberg, M. L., Dickson, K. L., Smith, N., and Waller, W. T.: 1969, ‘ The Relationship of Freshwater Protozoan Communities to the MacArthur-Wilson Equilibrium Model’, American Naturalist
103, 439–454.
4. Cairns, J.Jr., Plafkin, J. L., Yongue, W. H.Jr., and Kaesler, R. L.: 1976, ‘Colonization of Artificial Substrates by Protozoa: Replicated Samples’, Archiv fuer Protistenkunde
118(4), 259–267.
5. Cairns, J.Jr., Kuhn, D. L., and Plafkin, J. L.: 1979, ‘Protozoan Colonization of Artificial Substrates’, in R. L.Weitzel (ed.), Methods and Measurements of Periphyton Communities: A Review, American Society for Testing and Materials, Philadelphia, Pa., pp. 39–57.