Ernst Christoph Suttner https://psmb-neos-resources.hb.bizmrg.com/target/sfi/395dba13ecb1f3ff1db3518dd296793aba67b13a/Vyp_7_EH.-KH._Suttner.pdf.
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2013
Ernst Christoph Suttner https://psmb-neos-resources.hb.bizmrg.com/target/sfi/25fe9234b3462e0928c2f5e6855b7b13bedefaf7/Vyp.2_Svjashch.EH.K.Suttner.pdf.
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2010