<?xml version="1.0"?>
<response><item key="0"><nothing><![CDATA[S. Hofling, C. Schneider, A. Rahimi-Iman, N. Y. Kim, J. Fischer, M. Amthor, M. Lermer, A. Wolf, L. Worschech, V. D. Kulakovskii, Ivan Shelykh, M. Kamp, S. Reitzenstein, Y. Yamamoto, A. Forchel, "Electrically driven exciton-polariton lasers", 2013 IEEE 2nd International Workshop &quot;Nonlinear Photonics&quot; (NLP*2013), 2013, [DOI: 10.1109/nlp.2013.6646381] ]]></nothing></item></response>
