found: Work cat.: Goldhammer, J. Untersuchungen zur Stratigraphie, Fundverteilung und zum Fundspektrum der mittleren Ertebøllekultur in Ostholstein, 2008.
found: Wikipedia, Apr. 15, 2009(Ertebølle culture (ca 5300 BC-3950 BC); name of a hunter-gatherer and fisher culture dating to the end of the Mesolithic period; variant: EBK; also known as Ellerbek culture; Ertebølle-Ellerbek culture, and Ertebølle-Ellerbek-Lietzow culture)
found: Dictionnaire de la prehistoire, c2005:p. 381 (Ertebølle; a culture of the late Mesolithic in Scandinavia)
found: Encyclopedia of archaeology, c2008:p. 1181 (Ertebølle; a prehistoric culture in northern Europe)
found: Oberlauterbach, comp-archaeology.org, May 7, 2009(Ertebølle culture; in northeast Germany the Ertebølle culture is often referred to as the Lietzow culture or Lietzow-Group)