Klotz, Walter

• The Electronic Journal of Combinatorics Volume 17 (2010) - Research Papers
  Integral Cayley Graphs over Abelian Groups
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 18, Issue 1 (2011) - Papers
  Integral Cayley Graphs Defined by Greatest Common Divisors
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 14 (2007) - Research Papers
  Some Properties of Unitary Cayley Graphs
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 19, Issue 1 (2012) - Papers
  Pandiagonal Sudokus
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 19, Issue 4 (2012) - Papers
  Distance Powers and Distance Matrices of Integral Cayley Graphs over Abelian Groups
  Abstract  PDF  source file  official source