TY  - BOOK
AU  - WILLIAMS, T. I.
AU  - JR. SCHAAF, W. E. rev.
TI  - A history of invention: from stone axes to silicon chips
U1  - REF 609 
PY  - 1999///
CY  - London
PB  - Little, Brown
KW  - TECHNOLOGY
N1  - Include some colour pictures and maps
ER  -