TY - RPRT TI - Extracting charge density distributions from diffraction data: a model study on urea AU - de Vries RY AU - D Feil AU - VG Tsirelson PY - 2000 DO - 10.1107/s0108768199009581 UR - https://pubmed.ncbi.nlm.nih.gov/10735449/ ID - 10735449 ER -