@article{White1976,
  added-at = {2010-02-08T21:21:00.000+0100},
  author = {White, Harrison C. and Boorman, Scott A. and Breiger, Ronald L.},
  biburl = {http://www.bibsonomy.org/bibtex/26b082826ae0496d1c62cefaacb845f03/andreasy},
  interhash = {0a1dc6cbe2a550e599f69c8a8c8dead4},
  intrahash = {6b082826ae0496d1c62cefaacb845f03},
  journal = {The American Journal of Sociology},
  keywords = {imported},
  number = 4,
  owner = {Herz},
  pages = {730--780},
  timestamp = {2010-02-08T21:21:00.000+0100},
  title = {Social Structure form Multiple Networks. I. Blockmodels of Roles
	and Positions},
  volume = 81,
  year = 1976
}