TY  - GEN
AU  - Semenov,S.A.
AU  - Thompson,M.W
TI  - Prehistoric technology : : an experimental study of the oldest tools and artefacts from traces of manufacture and wear
U1  - 930.1 21
PY  - 1964///
CY  - London : 
PB  - Cory, Adams y Mackay, 
N1  - Posee tapa dura
ER  -