Reference

Monika Bauer-Nebelsick, Christian F. Bardele, J.A. Ott (1995): A symbiosis between *Zoothamnium niveum* (#Hemprich# & #Ehrenberg#, 1831) #Ehrenberg#, 1838 (Oligohymenophora, Peritrichida) and thiotrophic bacteria: I. Redescription of the species based on light and scanning electron microscopic techniques – Manuskript – .