@misc{indiciae797f151e7976, title = {Electron density-functional theory and x-ray structure factors.}, author = {M Levy and JA Goldstein}, year = {1987}, doi = {10.1103/physrevb.35.7887}, url = {https://pubmed.ncbi.nlm.nih.gov/9941117/}, note = {Source identifier: 9941117} }