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1
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2Published 1991“...QR 184.315 .N279...”
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3Published 1991“...QR 186.6 .F85 .N279...”
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4Published 1994“...QR 100.8 .M37 .M6265...”
Conference Proceeding Book -
5Published 1996“...QR 101 .M626...”
Conference Proceeding Book