TY  - BOOK
AU  - Mason, Otis Tufton,
TI  - The origins of invention: a study of industry among primitive pe oples 
U1  - 303.483 
PY  - 1966///
CY  - Massachusetts
PB  - The M.I.T.Press
KW  - Technological innovations
N1  - Includes bibliographical references
ER  -