TY  - BOOK
AU  - Daniels,Patricia
TI  - Machines & inventios
T2  - twenty first century encyclopedia
SN  - 9772386682
U1  - 030 21
PY  - 1999///
CY  - cairo
PB  - dar alketab almasry
KW  - Encyclopedias
KW  - English Encyclopedias
N1  - English Encyclopedias
ER  -