TY  - BOOK
AU  - Hearn, E. J.
TI  - Problems in strenght of materials: complex stresses and strains 
U1  - 620.11 
PY  - 1966///
CY  - London
PB  - Longmans, Green & Co.
KW  - Strenght of materials
N1  - Includes references & index
ER  -