TY  - BOOK
AU  - MURPHY Raymond Au.
TI  - Social closure: The theory of monopolization and exclusion.   
SN  - 0198272685
U1  - Y5, M8 
PY  - 1988///
CY  - Oxford
PB  - Oxford university press.        
KW  - Social Stratification
N1  - Bib.p- 259-270
ER  -