TY  - BOOK
AU  - Erikson R
AU  -  Goldthorpe J H
TI  - Constant Flux:  a study of clss mobilty in industrial societies   
U1  - Y5:68.5.N9, N2\TD 
PY  - 1992///
CY  - Oxford
PB  - Clarendon Press         
ER  -