Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model Keola Wierschem, Zhifeng Zhang, Andrew Wibawa and Pinaki Sengupta Eur. Phys. J. B, 91 9 (2018) 201 Published online: 12 September 2018 DOI: 10.1140/epjb/e2018-90356-5