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Meffert, M.-E.; Wulf, W.-R.: Morphometrie und Chlorophyllproduktion von ostholsteinischen Seen. Zeitschrift für Wasser- und Abwasser Forschung 20, pp. 13 - 15 (1987)

Sioli, H.: Para o futuro da Amazônia: Algumas recomendações. Tübinger Geographische Studien 95, pp. 479 - 481 (1987)

Tranvik, L.; Höfle, M. G.: Bacterial growth in mixed cultures on dissolved organic carbon from humic and clear waters. Applied and Environmental Microbiology 53 (3), pp. 482 - 488 (1987)

Wolf, H. G.: Interspecific hybridization betweenDaphnia hyalina, D. galeata, andD. cucullata and seasonal abundances of these species and their hybrids. Hydrobiologia 145 (1), pp. 213 - 217 (1987)

Lampert, W.: Predictability in Lake Ecosystems: the Role of Biotic Interactions. In: Potentials and Limitations of Ecosystem Analysis, Vol. 61. Springer Verlag, Berlin, Heidelberg (1987)

Morais, J.W.; Franklin, E.; Adis, J.: Dados preliminares sobre a ocorrencia de coleopteros que atacam Madeira numa serraria de Manaus, Amazonas. In: Resumos, p. 221 (Ed. Sociedade Brasiliera de, Z.). XIV Congresso Brasileiro de Zoologia, Juiz de Fora, February 01, 1987 - February 06, 1987. (1987)

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