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Rai, H.; Hill, G.: Physical and chemical studies of Lago Tupé: a central Amazonian black water "Ria Lake". Internationale Revue der Gesamten Hydrobiologie 66 (1), S. 37 - 82 (1981)

Sioli, H.: Die Limnologie des Brasilianischen Amazonasgebietes. Staden-Jahrbuch 29, S. 63 - 72 (1981)

Sivec, I.: Some notes about Nemouridae larvae (Plecoptera) from Nepal. Entomologica Basiliensia 6, S. 108 - 119 (1981)

Sivec, I.: A New Species of Nemoura (Plecoptera: Nemouridae) from China. Aquatic Insects 3 (2), S. 79 - 80 (1981)

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Wagner, R.: Two New Moth-Flies (Diptera, Psychodidae) from South America. Studies on Neotropical Fauna and Environment 16 (4), S. 217 - 220 (1981)

Wagner, R.: Some Psychodidae (Diptera) from the Southern Caucasus and Iran. Aquatic Insects 3 (1), S. 45 - 56 (1981)

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Zwick, P.: Das Mittelmeergebiet als glaziales Refugium für Plecoptera The Mediterranean area as glacial refuge of Plecoptera. Acta Entomologica Jugoslavica 17 (1-2), S. 107 - 111 (1981)

Zwick, P.: Liponeura matris, a new net-winged midge from the south of France [Diptera: Blephariceridae] Liponeura matris, un nouveau Blépharicéride du sud de la France [Diptera]. Annales de Limnologie 17 (3), S. 251 - 254 (1981)

Zwick, P.: Carabhydrus andreas, a new Australian Dytiscid (Coleoptera, Dytiscidae). Aquatic Insects 3 (3), S. 167 - 170 (1981)

Zwick, P.: Australian Edwardsina (Diptera: Blephariceridae), new and rediscovered species. Aquatic Insects 3 (2), S. 75 - 78 (1981)

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Zwick, P.: 41 Plecoptera. In: Ecological Biogeography of Australia, S. 1171 - 1182 (Hg. Keast, A.). Dr. W. Junk bv Publishers, The Hague (1981)

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Herrera, R.; Medina, E.; Klinge, H.; Jordan, C. F.; Uhl, C.: Nutrient retention mechanisms in tropical forests: The Amazon Caatinga, San Carlos pilot project, Venezuela. Ecology in Practice - Establishing a Scientific Basis for Land Management, Paris, 22. September 1981 - 29. September 1981. Natural resources and the environment series, S. 85 - 97 (1981)