Defining the earliest Aurignacian in the Swabian Alp: the relevance of the technological study of the Geissenklösterle (Baden-Württemberg, Germany) lithic and organic productions - Teyssandier, Nicolas (The chronology of the Aurignacian and of the transitional technocomplexes. Dating, stratigraphies, cultural implications. Proceedings of Symposium 6.1 of the 14th Congress of the UISPP (University of Liège, Belgium, September 2-8, 2001)., 2003)