TY  - BOOK
AU  - Macaulay,M.
TI  - Introduction to impact engineering
SN  - 041228930X
AV  - TA354 .M33 1987
U1  - 620.1/125�19 
PY  - 1987///
CY  - London, New York
PB  - Chapman and Hall
KW  - Impact
ER  -