Authors: van Hoek, AHAM van Alen, TA Sprakel, VSI Leunissen, JAM Brigge, T Vogels, GD Hackstein, JHP

Citation: Aham. Van Hoek et al., Multiple acquisition of methanogenic archaeal symbionts by anaerobic ciliates, MOL BIOL EV, 17(2), 2000, pp. 251-258