TY - RPRT TI - Sigma-pi separation of the electron localization function and aromaticity. AU - J C Santos AU - W Tiznado AU - R Contreras AU - P Fuentealba PY - 2004 DO - 10.1063/1.1635799 UR - https://pubmed.ncbi.nlm.nih.gov/15268298/ ID - 15268298 ER -