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The @European physical journal / C, 74 (2014) 11, S. 3026
...Becker, J....
OpenAccess 
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Urbain, F.
2014
International journal of photoenergy, 2014 (2014) Article ID 249317, S. 1 - 10
...Becker, J.-P....
OpenAccess 
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Journal of speech, language, and hearing research, 57 (2014) S. 1206-1218
...Becker, J....
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