TY  - CHAP
A1  - Wellman, B.
T1  - Structural Analysis: From Method and Metaphor to Theory and Substance
Y1  - 1988
A3  - Wellman, B.
A3  - Berkowitz, S.D.
T2  - Social structures : a network approach
CY  - Cambridge
PB  - Cambridge University Press
SP  - 19
EP  - -61

ER  -