TY  - BOOK
AU  - Hill, Donald R.
AU  - Ibn al-Razzaz al-Jazari
TI  - The book of knowledge of ingenious mechanical devices
SN  - 9698016252
U1  -  621 
PY  - 1974///
CY  - Islamabad,Pakistan
PB  - Pakistan Hijra Council
KW  - Mechanical engineering-Early works to 1800
ER  -