TY  - BOOK
AU  - Yenne,Bill
AU  - Grosser,Morton
TI  - 100 inventions that shaped world history
SN  - 0912517026 :
AV  - T15 .Y46 1993
U1  - 609 20
PY  - 1993///
CY  - San Francisco, CA
PB  - Bluewood Books
KW  - Inventions
KW  - History
N1  - Includes index
UR  - http://www.archive.org/details/100inventionstha00yenn
UR  - http://www.openlibrary.org/books/OL1439744M
ER  -