@TechReport{economics.dp.2012-41,
 author = {Bargigli, Leonardo and Gallegati, Mauro},
 title = {Finding Communities in Credit Networks},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2012},
 number = {2012-41},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2012-41}
}