@inbook {35015,
	title = {Survey Methods for Network Data},
	booktitle = {The Sage Handbook of social Network Analysis},
	year = {2011},
	pages = {370-388},
	publisher = {Sage Publications},
	organization = {Sage Publications},
	address = {London},
	author = {Peter V. Marsden},
	editor = {John Scott and Peter J. Carrington}
}
