J. DEEBEN; H. HIDDINK; D.J. HUISMAN; A. MÜLLER; J. SCHOKKER; J. WALLINGA. Middle Palaeolithic artefact migration due to periglacial processes; a geological investigation into near-surface occurrence of Palaeolithic artefacts (Limburg-Eastern Brabant coversand region, the Netherlands). Netherlands Journal of Geosciences, v. 89, p. 35 - 50, 1 Jul. 2010.