Bender, C., Schmidt-Loske, K., Asmussen, U., Hildenbrandt, H. (1999): PVA-Fallbeispiel 2: Analyse der Gefährdungsursachen von Tiergruppen mittlerer Mobilität am Beispiel der Mauereidechse (Podarcis muralis). - In: Amler, K., Bahl, A., Henle, K., Kaule, G., Poschlod, P., Settele, J. (eds.): Populationsbiologie in der Naturschutzpraxis. - Ulmer (Stuttgart). pp. 161-172.
Gassmann, D. (1999): Taxonomy and distribution of the inornata species-group of the Papuan genus Idiocnemis Selys (Odonata: Zygoptera: Platycnemididae)
Henle, K., Bender, C., Schmidt-Loske, K., Asmussen, U. (1999): In: Amler, K., Bahl, A., Henle, K., Kaule, G., Poschlod, P., Settele, J. (eds.): Populationsbiologie in der Naturschutzpraxis. - Ulmer (Stuttgart). pp. 241-248.
Jahn, O., M.E. Jara Viteri, and K.-L. Schuchmann (1999): Connecticut Warbler, a North American migrant new to Ecuador. Willson Bulletin 111: 281-282. Online at: https://sora.unm.edu/sites/default/files/journals/wilson/v111n02/p0281-p0282.pdf
Jahn, O., E.E. Vargas Grefa, and K.-L. Schuchmann (1999): The life history of the Long-wattled Umbrellabird Cephalopterus penduliger in the Andean foothills of north-west Ecuador: leks, behaviour, ecology and conservation. Bird Conservation International 9: 81-94. doi:10.1017/S0959270900003373
Nolting C., Reboreda P., Wägele J. W. (1998) Systematic revision of the genus Anoplocopea Racovitza, 1907 (Crustacea: Isopoda) with a description of a new species from the Atlantic Coast of the Iberian Peninsula. Mitt.Mus. Naturk. Berl. Zool.Reihe 74:19-41
Schulenburg, J.H.G. v.d., Wägele, J.W. (1998) Molecular characterisation of digenetic trematodes associated with Cyathura carinata (Crustacea: Isopoda) with a note on the utility of 18S ribosomal DNA for phylogenetic analysis in the Digenea (Platyhelminthes: Trematoda). Int. J. Parasitol. 28: 1425-1428
Gassmann, D., Hille, A. and Naumann, C. M. (1998): Morphological and morphometric investigations within a geographical contact zone between Zygaena angelicae (Ochsenheimer, 1808), and Zygaena transalpina hippocrepidis (Huebner,[1799])(Lepidoptera, Zygaenidae) in southern Germany. Theses zoologicae 30: 89-104.
Von Vaupel Klein, J. C., Gassmann, D. (1998): Character phylogenies in Candacia and Paracandacia (Copepoda, Calanoida) and the inevitably paraphyletic nature of many nominal taxa above subspecies level. Journal of Marine Systems 15(1): 441-449.
Henle, K., Kuhn, J., Podloucky, R., Schmidt-Loske, K., Bender, C. (1997): Individualerkennung und Markierung mitteleuropäischer Amphibien und Reptilien: Übersicht und Bewertung der Methoden; Empfehlungen aus Natur- und Tierschutzsicht. - In: Henle, K., Veith, M.: naturschutzrelevante Methoden der Feldherpetologie. - Mertensiella 7: 133-184.
Wägele, J. W .(1996) First principles of phylogenetic systematics, a basis for numerical methods used for morphological and molecular characters. Vie Milieu 46: 125-138
Bender, C., Hildenbrandt, H., Schmidt-Loske, K. Grimm, V, Wissel, C., Henle, K. (1996): Consolidation of vineyards, mitigations, and survival of the common wall lizard (Podarcis muralis) in isolated habitat fragments. - In: Settele, J., Margules, C., Poschlod, P., Henle, K. (eds.): Species survival in fragmented landscapes. Kluwer Academic Publishers (Dordrecht). pp. 248-261.
Matheus, J.C., U. Wittmann, O. Jahn, M. Leutfeld, and K.-L. Schuchmann (1996): Reactions of birds to nestling predation by a snake. Ornitologia Neotropical 7: 163-164. Online at: http://132.248.13.1/pdf/links/neo/rev7/vol7_2/orni_7_2_163-164.pdf
