Agrupaci'o Astronomica de Sabadell

Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010

Tucson, Engineering, Landessternwarte, 2014, 1412.3576.

Long-term multi-wavelength variability and correlation study of Markarian 421 from 2007 to 2009

Engineering, India., Dublin Institute for Advanced Studies, 2016, 1605.09017.

Ten-year optical monitoring of PKS 0735+178: historical comparison, multiband behavior, and variability timescales

M. Villata, C. M. Raiteri, G. Tosti, 2007, astro-ph/0701420.