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<response><item key="0"><nothing>Sven Hofling, Matthias Amthor, Arash Rahimi-Iman, Na Young Kim, Julian Fischer, Ivan G. Savenko, Vladimir D. Kulakovski, Ivan Shelykh, Stephan Reitzenstein, Alfred Forchel, Yoshihisa Yamamoto, Martin Kamp, Christian Schneider, "An electrically pumped polariton laser", 2015 IEEE Photonics Conference (IPC), 2015, [DOI: 10.1109/ipcon.2015.7323743] </nothing></item></response>
