Vanni, HenriMerbach, Andre E.2006-02-152006-02-152006-02-15197910.1021/ic50200a025https://infoscience.epfl.ch/handle/20.500.14299/223561High-pressure NMR kinetics. 7. High-pressure NMR evidence for the dissociative-associative crossover in the ligand substitution mechanism of octahedral adducts of niobium(V) and tantalum(V) halidestext::journal::journal article::research article