Kabsch, Wolfgang Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society; Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;
https://journals.iucr.org/a/issues/1976/05/00/a12999/a12999.pdf (Any fulltext)
https://doi.org/10.1107/S0567739476001873 (Any fulltext)
Kabsch, W. (1976). A solution for the best rotation to relate two sets of vectors. Acta Crystallographica A, 32, 922-923. doi:10.1107/S0567739476001873.