TY - JOUR A1 - Reitner, Joachim A1 - Mehl, Dorte T1 - Monophyly of the Porifera Y1 - 1996 DO - 10.23689/fidgeo-767 PB - Goecke & Evers CY - Keltern-Weiler UR - http://hdl.handle.net/11858/00-1735-0000-0001-3398-B ER -