title: Morphometric Study of Traces on Bone Retouchers from the Chagyrskaya Cave Using a Profi lometer
abstract: Bone retouchers were used by ancient humans in stone tool working. They were made mainly of the bones of prey animals. Retouchers are most characteristic of the Neanderalian bone tool collections, but they are also found in other cultural and chronological contexts at all stages of the Stone Age in Eurasia and beyond. Research on bone retouchers has been carried out for over a century using many different methods. Use-wear signs on bone retouchers are usually studied through a microscope with a 
journal: Problems of Archaeology Ethnography Anthropology of Siberia and Neighboring Territories