“…These techniques are, however, expensive, and their reliability has so far only been tested on small samples [9,12,[16][17][18][19][20][21]. Recently, Verhoff and Kreutz systematically reviewed published, commonly used methods in their literature survey and, on the basis of their results, developed their own recommendations for a practical approach [3]. Among the numerous morphological, chemical, physical, and histological dating techniques, the measurement of the chemiluminescence (CL) of weathered organic traces on bone finds by means of the luminol reaction is widely used as an inexpensive, quick, and simple method.…”