TY  - BOOK
AU  - Tiffen,Ronald
TI  - Plane elastic deformation / 
U1  - 620.11232 TIF 
PY  - 1970///
CY  - London : 
PB  - Longman , 
KW  - Elasticity
KW  - Deformations (Mechanics)
N1  -  Includes bibliography : p. 153 - 154
ER  -