TY - CONF A1 - Schaaf, Wolfgang A1 - Gerwin, Werner A1 - Kögel-Knabner, Ingrid A1 - Gerke, Horst H. A1 - Schulin, Rainer A1 - Schloter, Michael A1 - Hüttl, Reinhard F. T1 - Point zero: the missing link in initial soil formation concepts T2 - EGU General Assembly 2009, Vienna, Austria, 19 – 24 April 2009 Y1 - 2013 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/9504 N1 - EGU2009-8310 PB - European Geophysical Society CY - Katlenburg-Lindau ER -