Max Planck Institute of Animal Behavior Media & Outreach Overview News iain-couzin-receives-the-2024-fyssen-international-prize Publications of Blanka Bakovski All genres Journal Article (1) Journal Article (1) 1. Journal Article Michiels, N. K.; Bakovski, B.: Sperm trading in a hermaphroditic flatworm: Reluctant fathers and sexy mothers. Animal Behaviour 59 (2), pp. 319 - 325 (2000) MPG.PuRe DOI