@misc{indiciaef2c62a42ac43, title = {Conceptual density functional theory.}, author = {P Geerlings and F De Proft and W Langenaeker}, year = {2003}, doi = {10.1021/cr990029p}, url = {https://pubmed.ncbi.nlm.nih.gov/12744694/}, note = {Source identifier: 12744694} }