This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
G. Neurath
Forschungslaboratorium H. F. & Ph. F. Reemtsma, Hamburg, Germany
M. Dünger
Forschungslaboratorium H. F. & Ph. F. Reemtsma, Hamburg, Germany
J. Gewe
Forschungslaboratorium H. F. & Ph. F. Reemtsma, Hamburg, Germany
W. Lüttich
Forschungslaboratorium H. F. & Ph. F. Reemtsma, Hamburg, Germany
H. Wichern
Forschungslaboratorium H. F. & Ph. F. Reemtsma, Hamburg, Germany