TY - BOOK AU - Semenov,S.A TI - Prehistoric technology: an experimental study of the oldest tools and artefacts from traces of manufacture and wear SN - 0064961702 PY - 1976/// CY - New York PB - Barnes & Noble KW - Industries, Primitive N1 - Original issued as v. 54 of Materially i issledovanlia po arkheologii SSSR; Bibliographical references included in footnotes ER -