TY  - BOOK
AU  - Patricia Daniels (editor)
TI  - Twenty first century encyclopedia of Science, Technology and Nature: 10 Machines & Inventions 
SN  - 9772386682
PY  - 1999///
CY  - Cairo, Lebanon
PB  - Dar Al-Kitab Al-Masri
KW  - Machine
KW  - Pure Science
ER  -