TY - RPRT TI - Accurate contrast determination for X-ray speckle visibility spectroscopy AU - Sun, Yanwen (ORCID:0000000159266565) AU - Montana-Lopez, Jordi AU - Fuoss, Paul (ORCID:0000000237147239) AU - Sutton, Mark AU - Zhu, Diling PY - 2020 DO - 10.1107/s1600577520006773 UR - https://www.osti.gov/biblio/1633929 ID - 1633929 ER -