Sommer, Ulrich Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
https://link.springer.com/chapter/10.1007/978-3-642-75650-4_7 (Publisher version)
Sommer, U. (1991). Phytoplankton: Directional Succession and Forced Cycles. In Ecological Studies (pp. 132-146). Springer Verlag.