Based on the articles: "Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance", Published in Astronomy & Astrophysics, 2019, 625, A31
And "Transit least-squares survey. II. Discovery and validation of 17 new sub- to super-Earth-sized planets in multi-planet systems from K2", to be published in Astronomy & Astrophysics, 2019