Lankhaar Boy, Groenenboom Gerrit C, van der Avoird Ad
Theoretical Chemistry, Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.
J Chem Phys. 2018 Apr 14;148(14):149901. doi: 10.1063/1.5030801.