Amrhein, M.Srinivasan, B.Bonvin, D.Schumacher, M.M.2005-11-162005-11-162005-11-16199610.1016/0169-7439(95)00086-0https://infoscience.epfl.ch/handle/20.500.14299/219982On the Rank Deficiency and Rank Augmentation of the Spectral Measurement Matrixtext::journal::journal article::research article