Witzel, K.-P.; Berman, T. (Hg.): New vistas in aquatic microbial ecology. A tribute to Jürgen Overbeck on occasion of his 75th birthday. Schweizerbart, Stuttgart (1999), V, 386 S.

García Lozano, L. C.; Petermann, P.: Legal and conceptual aspects of the EIA (Environmental Impact Assessment). In: Fact or fiction: A review of the Hydrovia Paraguay-Paraná official studies, S. 94 - 101 (Hg. Leite, A.). World Wildlife Fund, Toronto (1999)

Gosden, R. G.; Dunbar, R. I. M.; Haig, D.; Heyer, E.; Mace, R.; Milinski, M.; Pison, G.; Richner, H.; Strassmann, B. I.; Thaler, D. et al.; Wedekind, C.; Stearns, S. C.: Evolutionary interpretations of the diversity of reproductive health and disease. In: Evolution in Health and Disease, S. 108 - 120 (Hg. Stearns, S. C.). Oxford University Press, Oxford (1999)

Junk, W. J.: Die Aktivitäten des SHIFT-Programms. In: Amazonien: Himmel der Neuen Welt. Eine Sammlung von Essays und wissenschaftlichen Beiträgen über das brasilianische Amazonasgebiet, S. 247 - 259 (Hg. Freitas, M. d. L. D. d.) (1999)

Lozano, L. C. G.; Petermann, P.: Legal and conceptual aspects of the EIA (Environmental Impact Assessment). In: Fact or Fiction: A Review of the Hydrovia Paraguay-Paraná Official Studies: Full Report and Executive Summary, S. 94 - 101 (Hg. World Wildlife Fund/World Wide Fund for Nature). WWF, Toronto (1999)

Marten, M.; Zwick, P.: 3.10 Emergenz. In: Biologische Gewässeruntersuchung, S. 227 - 238 (Hg. Tümpling, W. v.; Friedrich, G.). Gustav Fischer, Jena (1999)

Milinski, M.: Glasses for children - are they curing the wrong symptoms for the wrong reason? In: Evolution in Health and Disease, S. p. 121 (Hg. Stearns, S. C.). Oxford University Press, Oxford (1999)

Obrdlik, P.; Petermann, P.: Impacts of the Hydrovia project on water and sediment quality. In: Fact or Fiction: A Review of the Hydrovia Paraguay-Paraná Official Studies: Full report and Executive Summary, S. 174 - 180 (Hg. World Wildlife Fund/World Wide Fund for Nature). WWF, Toronto (1999)

Obrdlik, P.; Petermann, P.: Impacts of the Hydrovia project on water and sediment quality. In: Fact or fiction: A review of the Hydrovia Paraguay-Paraná official studies, S. 174 - 180 (Hg. Leite, A.). World Wildlife Fund, Toronto (1999)

Ohly, J. J.; Junk, W. J.: Multiple use of Central Amazonan floodplains: Reconciling ecological conditions, requirements for environmental protection, and socioeconomic needs. In: Várzea: Diversity, Development, and Conservation of Amazonia's Whitewater Floodplains, Bd. 13, S. 283 - 299 (Hg. Padoch, C.; Ayres, J. M.; Pinedo-Vasquez, M.; Henderson, A.). The New York Botanical Garden Press, Bronx, New York (1999)

Petermann, P.; de Francesco, F. O.; Schnack, E. J.; Pedroni, R.; Rast, G.; Friedrich, H.: Hydrological impacts of the Hydrovia project. In: Fact or Fiction: A Review of the Hydrovia Paraguay-Paraná Official Studies: Full report and Executive Summary, S. 102 - 126 (Hg. World Wildlife Fund/World Wide Fund for Nature). WWF, Toronto (1999)

Petermann, P.; Leite, A.: Description of the Hydrovia project. In: Fact or Fiction: A Review of the Hydrovia Paraguay-Paraná Official Studies: Full report and Executive Summary, S. 80 - 93 (Hg. World Wildlife Fund/World Wide Fund for Nature). WWF, Toronto (1999)

Rothhaupt, K.-O.: Enclosures. In: Biologischen Gewässeruntersuchung, S. 111 - 118 (Hg. Tümpling, W. v.; Friedrich, G.). Fischer, Jena (1999)

Schnack, J.; Petermann, P.: Impacts of the Hydrovia project on terrestrial fauna. In: Fact or Fiction: A Review of the Hydrovia Paraguay-Paraná Official Studies: Full Report and Executive Summary, S. 146 - 158 (Hg. World Wildlife Fund/World Wide Fund for Nature). WWF, Toronto (1999)

Schnack, J.; Petermann, P.: Impacts of the Hydrovia project on terrestrial fauna. In: Fact or fiction: A review of the Hydrovia Paraguay-Paraná official studies, S. 146 - 158 (Hg. Leite, A.). World Wildlife Fund, Toronto (1999)

van Donk, E.; Lürling, M.; Lampert, W.: Consumer-induced changes in phytoplankton: inducibility, costs, benefits and the impact on grazers. In: The Ecology and Evolution of Inducible Defenses, S. 89 - 103 (Hg. Tollrian, R.; Harvell, C. D.). Princeton University Press, Princeton/USA (1999)

Nunes da Cunha, C.; Junk, W. J.: Composição florística de capões e cordilheiras: localização das espécies lenhosas quanto ao gradiente de inundação no Pantanal de Poconé, MT - Brasil. In: Anais do II Simpósio sobre Recursos Naturais e Sócio-economicos do Pantanal. Manejo e Conservação., S. 387 - 405 (Hg. Dantas, M.; Catto, J. B.; Resende, E. K. d.). II Simpósio sobre Recursos Naturais e Sócio-econômicos do Pantanal, Corumbá - MS, 18. November 1996 - 22. November 1996. EMBRAPA, Corumbá/Brasil (1999)

Parolin, P.: Growth strategies of Senna reticulata and Cecropia latiloba, two pioneer tree species of Central Amazonian floodplains? Ökophysiologie pflanzlicher Interaktionen., Bielefeld, 08. Mai 1998 - 09. Mai 1998. Bielefelder Ökologische Beiträge, S. 272 - 277 (1999)

Hendel, B.: Der mikrobielle Abbau von Holz und Laub im Breitenbach unter besonderer Berücksichtigung der Bedeutung extrazellulärer Enzyme. Dissertation, Justus-Liebig-Universität, Gießen (1999)

Korte, E. J.: Bestandsentwicklung der Fischarten der hessischen Rheinaue 1994 - 1997 - Reproduktionsstrategien, Jungfischaufkommen, Gefährdung, Entwicklungstendenzen -. Dissertation (1999)