TY  - BOOK
AU  - Watts,Duncan J.
TI  - Six degrees: the science of a connected age 
SN  - 0393041425
U1  - 004.73:519.17 
PY  - 2003///
CY  - New York
PB  - Norton/ Vintage Books
KW  - Graph theory
KW  - Network analysis (Planning)
KW  - Social networks
KW  - Mathematical models
ER  -