TY - CHAP A1 - Kohring, Rolf A1 - Reitner, Joachim ED - Schudack, Michael E. T1 - A problematic microfossil from the Oligocene of Rott (Siebengebirge, Germany), with affinities to freshwater Bryozoan Statoblasts (Phylactolaemata) T2 - Beiträge zur Paläontologie Y1 - 1991 DO - 10.23689/fidgeo-2697 PB - Fachbereich Geowiss. UR - http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/7010 ER -