@techreport{BajwaCalderbankEtAl.TechRep10, type = {Technical Report}, title = {On the Conditioning of Random Block Subdictionaries}, author = {Bajwa, W. U. and Calderbank, R. and Duarte, M. F.}, year = {2010}, month = sep, number = {TR-2010-06}, institution = {{Department of Computer Science, Duke University}} }