TY  - BOOK
AU  - WELLMAN, Barry 
AU  -  BERKOWITZ, S D Eds
TI  - Social structures:A network approach                                                                                    
PY  - 1988///
CY  - Cambridge                                                   
PB  - Cambridge University Press                                  
KW  - SOCIAL STRUCTURE | SOCIAL SYSTEM | SOCIAL CLASSES
ER  -