TY  - BOOK
AU  - Pytel, Andrew 
AU  - Singer, Ferdinand L.
TI  - Strength of materials
SN  - 0-201-32742-2
U1  - Cir./620.112/P999/1987 
PY  - 1987///
CY  - New York
PB  - Harper Collins Publishers Inc.
KW  - Materials engineering
KW  - Strength of materials
N1  - Printed in the Philippines by Beethoven Publishing
ER  -