Neese, Frank Research Department Neese, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;
https://onlinelibrary.wiley.com/doi/full/10.1002/wcms.1327 (Preprint)
Neese, F. (2018). Software update: the ORCA program system, version 4.0. Wiley Interdisciplinary Reviews: Computational Molecular Science, (8), 1-6. doi:10.1002/wcms.1327.