Superconductivity in Se-doped La2O2Bi2Pb2S6-xSexwith a Bi2Pb2Ch4-type thick conducting layerRajveer Jha, Yosuke Goto, Tatsuma D. Matsuda, Yuji Aoki and Yoshikazu MizuguchiEPL, 129 6 (2020) 67001DOI: https://doi.org/10.1209/0295-5075/129/67001