TY  - BOOK
AU  -  Gordon,J.E.
TI  -  The new science of strong materials : :  or why you don't fall throu gh the floor / 
U1  -  620.112 
PY  - 1976///
CY  -  London : 
PB  -  Penguin Books , 
KW  -  Strength of materials
ER  -