The Roots of use-wear analysis : selected papers of S. A. Semenov ; published on the occasion of the congress -"Prehistoric technology" 40 years later: functional studies and the Russian legacy- ; Verona, 20-23 April 2005 - Longo, Laura; Skakun, Natalija Nikolaevna; Semenov, Sergej Aristarchovič; Anderson, Patricia C.; Plisson, Hugues (Museo Civico di Storia Naturale di Verona, 2005)