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\bibcite { Doppler_ 2016} { { 8} { 2016} { { Doppler\ \emph { et~al.} } } { { Doppler, Mailybaev, B\" ohm, Kuhl, Girschik, Libisch, Milburn, Rabl, Moiseyev,\ and\ Rotter} } }
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\bibcite { Heiss_ 1999} { { 25} { 1999} { { Heiss} } { { } } }
\bibcite { Berry_ 2011} { { 26} { 2011} { { Berry\ and\ Uzdin} } { { } } }
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\bibcite { JensenBook} { { 47} { 2017} { { Jensen} } { { } } }
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\bibcite { Seidl_ 2018} { { 50} { 2018} { { Seidl\ \emph { et~al.} } } { { Seidl, Giarrusso, Vuckovic, Fabiano,\ and\ Gori-Giorgi} } }
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