@misc{indiciae9c9663b7a856, title = {Multipolar expansions for the empty-lattice problem.}, author = {RG Brown and M Ciftan}, year = {1989}, doi = {10.1103/physrevb.39.3543}, url = {https://pubmed.ncbi.nlm.nih.gov/9948669/}, note = {Source identifier: 9948669} }