Approximating TSP Solution by MST Based Graph Pyramid. - Yll Haxhimusa; Walter G. Kropatsch; Zygmunt Pizlo; Adrian Ion; Andreas Lehrbaum (GbRPR, 2007)

A New Hyperheuristic Algorithm for Cross-Domain Search Problems. - Andreas Lehrbaum; Nysret Musliu (LION, 2012)