Paulsch, Axel; Piechowski, Daniel; Müller-Hohenstein, Klaus(2008) - Contribution to a collection Published in: Gradients in a Tropical Mountain Ecosystem of Ecuador / Beck, Erwin; Bendix, Jörg; Kottke, Ingrid et al. (ed.). - Berlin : Springer, 2008. - (Ecological Studies ; 198). - pp. 113-121. - ISBN 978-3-540-73525-0
Dietrich, Daniel R.(2021) - Contribution to a collection Published in: Toxic Cyanobacteria in Water : A Guide to Their Public Health Consequences, Monitoring and Management / Chorus, Ingrid; Welker, Martin (ed.). - 2. Edition. - Boca Raton : CRC Press, 2021. - pp. 394-400. - ISBN 978-0-367-53331-1