Tittel, J., Bissinger, V., Zippel, B., Gaedke, U., Bell, E., Lorke, A., & Kamjunke, N. (2003). Mixotrophs combine resource use to outcompete specialists: Implications for aquatic food webs. National Academy of Sciences.

Tittel, Jörg, Vera Bissinger, Barbara Zippel, Ursula Gaedke, Elanor Bell, Andreas Lorke, and Norbert Kamjunke. Mixotrophs Combine Resource Use to Outcompete Specialists: Implications for Aquatic Food Webs. National Academy of Sciences, 2003.

Tittel, Jörg, et al. Mixotrophs Combine Resource Use to Outcompete Specialists: Implications for Aquatic Food Webs. National Academy of Sciences, 2003.