<?xml version="1.0"?>
<response><item key="0"><nothing><![CDATA[Nikita Olekhno, Maxim Gorlach, Egor Kretov, Andrey Stepanenko, Polina Ivanova, Vitaly Yaroshenko, Ekaterina Puhtina, Dmitry Filonov, B. Cappello, L. Matekovits, "Topological States of Interacting Photon Pairs Emulated in a Topolectrical Circuit", 2019 Photonics &amp; Electromagnetics Research Symposium - Fall (PIERS - Fall), 2020, [DOI: 10.1109/piers-fall48861.2019.9021710] ]]></nothing></item></response>
