title: Ab Initio Methods for the Calculation of NMR Shielding and Indirect Spinminus signSpin Coupling Constants.
authors.affiliation: Department of Chemistry, University of Oslo, Box 1033, Blindern, N-0315 Oslo, Norway.
authors.forename: Trygve
authors.initials: T
authors.lastname: Helgaker
authors.forename: Michał
authors.initials: M
authors.lastname: Jaszuński
authors.forename: Kenneth
authors.initials: K
authors.lastname: Ruud