Ter Maat, Andries Abteilung Gahr, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Koene, J. M., Montagne-Wajer, K., & Ter Maat, A. (2006). Effects of frequent mating on sex allocation in the simultaneously hermaphroditic great pond snail (Lymnaea stagnalis). Behavioral Ecology and Sociobiology, 60(3), 332-338. doi:10.1007/s00265-006-0169-1.