TY  - BOOK
AU  - Penn Roger
TI  - Skilled workers in the class structure
SN  - 0 521 25455 8
U1  - Y5.3.N8, M4 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Social Stratification
N1  - Bibliography: p 239-256
ER  -