Ulrich Ehlers

Showing the single result

[PDF] Biology of Turbellaria and some Related Flatworms: Proceedings of the Seventh International Symposium on the Biology of the Turbellaria, held at Abo/Turku, Finland, 17?22 June 1993 Ulrich Ehlers, Beate Sopott-Ehlers (auth.), Lester R. G. Cannon (eds.)