(onr:jvnj9qzsggc3zf7v+) onr:jvnj9qzsggc3zf7v+type:book_tlanguage:Eng_t2019sab:J_t type:Book_tmedia_bokm9783774941649Gatsov, Ivan.Pietrele 2 : Lithic Industry : finds from the upper occupation layers / Ivan Gatsov and Petranka Nedelcheva ; with a contribution of Chavdar Nachev.20191hitlist:Fulltextlink_a_t