1. Darrin Doud and Brian Hansen, Explicit Frobenius calculations supporting a generalization of a conjecture of Serre, JP J. Algebra Number Theory Appl. 6 (2006), no. 2, 381–398.[MR/link]
  2. Brian Hansen, Explicit computations supporting a generalization of Serre's conjecture, Master's Thesis, Brigham Young University, 2005.