Graph Drawing Heuristics for Path Finding in Large Dimensionless Graphs. - Tim Weninger; Rodney Howell; William H. Hsu (IC-AI, 2009)

Does Allowing Repeated Tries Without Penalty for Incorrect Responses Increase Guessing? - Craig W. Johnson; Craig Harrington; Rodney Howell; Taiwo Akinwande (AMIA, 2014)