Comparing spectra and coherences for groups of unequal size
Journal of Neuroscience Methods (2007) - Comment
doi: 10.1016/j.jneumeth.2006.07.011  issn: 0165-0270  pubmed: 16945422 

Hemant Bokil, Keith Purpura, Jan-Mathijs Schoffelen, David Thomson, Partha Mitra