If you read German, you might like Klaus Busch's article
http://library.fes.de/pdf-files/id/ipa/06837.pdf or
http://www.gegenblende.de/01-2010/++co++1f4d4324-e3f4-11de-5a38-00093d10fae2
J
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Received on Tue Jan 4 06:03:10 2011
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