TY - JOUR A1 - Keupp, Helmut A1 - Jenisch, Angela A1 - Herrmann, Regina A1 - Neuweiler, Fritz A1 - Reitner, Joachim T1 - Microbial carbonate crusts - a key to the environmental analysis of fossil spongiolites? Y1 - 1993 VL - 29 SP - 41 EP - 54 JF - Facies DO - 10.23689/fidgeo-776 UR - http://hdl.handle.net/11858/00-1735-0000-0001-33A5-D ER -