Frank Bullock Peter Dankelmann Marietjie Frick Michael A. Henning Ortrud R. Oellermann Susan A. van Aardt Hamiltonicity of <i>k</i>-Traceable Graphs. 2011 18 Electr. J. Comb. 1 http://www.combinatorics.org/Volume_18/Abstracts/v18i1p63.html db/journals/combinatorics/combinatorics18.html#BullockDFHOA11