TY - JOUR A1 - Thiel, Volker A1 - Jenisch, Angela A1 - Wörheide, Gert A1 - Löwenberg, Antje A1 - Reitner, Joachim A1 - Michaelis, Walter T1 - Mid-chain branched alkanoic acids from "living fossil" demosponges: a link to ancient sedimentary lipids? Y1 - 1999 VL - 30 IS - 1 SP - 1 EP - 14 JF - Organic Geochemistry DO - 10.23689/fidgeo-844 UR - http://hdl.handle.net/11858/00-1735-0000-0001-3403-F ER -