Svane, Bjarke Multipole electron densities and atomic displacement parameters in urea from accurate powder X-ray diffraction. [electronic resource] - Acta crystallographica. Section A, Foundations and advances Jul 2019 - 600-609 p. digital Publication Type: Journal Article ISSN: 2053-2733 Standard No.: 10.1107/S205327331900799X doi Subjects--Topical Terms: ElectronsModels, MolecularMolecular StructurePowder DiffractionQuantum TheoryUrea--chemistryX-Ray Diffraction--methods