Reference

Ilja Krno, Ferdinand Sporka, E. Bulankova, E. Tirjaková, et al. (1998): The influence of organic inputs, acidification and fluctuating discharge on a spring ecosystem. In: Bretschko G. & Helesic J. (eds.): – Adv. River Bottom Ecol., Backhuys Publ., Leiden – : 99 - 106.