@inbook{Erickson1988,
author = {Erickson, B.H. },
title= {The Relational Basis of Attitudes},
year = {1988},
editor = {Wellman, B.},
editor = {Berkowitz, S.D.},
booktitle = {Social structures : a network approach},
address = {Cambridge },
publisher = {Cambridge University Press},
pages = {99--121},
}