Singleton, Joy

• The Electronic Journal of Combinatorics Volume 15 (2008) - Research Papers
  Maximal Nontraceable Graphs with Toughness less than One
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 12 (2005) - Research Papers
  Lower Bound for the Size of Maximal Nontraceable Graphs
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 20, Issue 1 (2013) - Papers
  An Iterative Approach to the Traceability Conjecture for Oriented Graphs
  Abstract  PDF  source files  Official source