There's a list of papers on Blitz at http://www.oonumerics.org/blitz/papers/
There's a recent paper by Klaus Iglberger et al. that would probably fit the list as well:
Expression Templates Revisited: A Performance Analysis of Current Methodologies
http://epubs.siam.org/sisc/resource/1/sjoce3/v34/i2/pC42_s1
SIAM J. Sci. Comput. 34, pp. C42-C69
added to the new github Blitz wiki: https://github.com/blitzpp/blitz/wiki/Mentions-of-Biitz