TY  - BOOK
AU  - Amerongern, C Van	
TI  - How things work : 			: the universal encyclopedia of machines Vol. I 
SN  - 9780586080955
U1  - 600 AME 
PY  - 1992///
CY  - India : 
PB  - Harper Collins Publishers, 	
N1  - Includes Index
ER  -