Show 15 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "positive ions" cql: author exact 002003192365 or (type exact bookEditor and editor exact 002003192365) Add to list Journal Article A1 open access Subsystem constraints in variational second order density matrix optimization : curing the dissociative behavior Brecht Verstichel (UGent) , Helen van Aggelen (UGent) , Dimitri Van Neck (UGent) , Paul W Ayers and Patrick Bultinck (UGent) (2010) JOURNAL OF CHEMICAL PHYSICS. 132(11). Add to list Journal Article A1 open access Chemical verification of variational second-order density matrix based potential energy surfaces for the N-2 isoelectronic series Helen van Aggelen (UGent) , Brecht Verstichel (UGent) , Patrick Bultinck (UGent) , Dimitri Van Neck (UGent) , Paul W Ayers and David L Cooper (2010) JOURNAL OF CHEMICAL PHYSICS. 132(11).