TY  - BOOK
AU  - Gould,David (editor)
AU  - Reader's Digest Association
TI  - How was it done?: the story of human ingenuity through the ages 
SN  - 0-7621-0088-5
PY  - 1998///
CY  - Pleasantville, NY
PB  - Reader's Digest Association
KW  - Technology
KW  - History
ER  -