By Koopmann Georg   in Intereconomics

ISSN:0020-5346|33|3|118-125

Springer Publishing Company ‎(1998)‎

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By Koopmann Georg   in Intereconomics

ISSN:0020-5346|37|3|127-131

Springer Publishing Company ‎(2002)‎

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1952‎

By Koopmann   Martin  

ISBN:9783486718324

Oldenbourg Wissenschaftsverlag‎(2000)‎

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Freiheitssonne und Revolutionsgewitter‎

By Helmut Koopmann  

ISBN:9783110944587

Max Niemeyer Verlag‎(1989)‎

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By Koopmann Charles F.   in American Journal of Rhinology

ISSN:1539-6290|3|2|59-62

OceanSide Publications, Inc‎(1989)‎

Access to resources Favorite 9.086422

By Neise Wolfgang   Koopmann Gary   in Noise Control Engineering Journal

ISSN:0736-2501|23|2|78-88

Institute of Noise Control Engineering‎(1984)‎

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By Koopmann Georg   Vogel Lars   in Wirtschaftsdienst

ISSN:0043-6275|89|1|53-61

Springer Publishing Company ‎(2009)‎

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By Neise W.   Koopmann G.H.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1988|4|801-804

Institute of Noise Control Engineering‎(1988)‎

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By Koopmann G.H.   Neise W.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1980|3|219-222

Institute of Noise Control Engineering‎(1980)‎

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By Koopmann G.H.   Belegundu A.D.   in Journal of Sound and Vibration

ISSN:0022-460X|239|4|665-678

Academic Press‎(2001)‎

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