@article{BajwaCalderbankEtAl.ACHA12, title = {Two Are Better than One: Fundamental Parameters of Frame Coherence}, author = {Bajwa, W. U. and Calderbank, R. and Mixon, D. G.}, year = {2012}, month = jul, journal = {Appl. Comput. Harmon. Anal.}, volume = {33}, number = {1}, pages = {58--78}, doi = {10.1016/j.acha.2011.09.005} }