@article{Broersma2000,
	title = {A national accounting system for worker flows},
	author = {Lourens Broersma and Frank A. G. den Butter and Udo Kock},
	journal = {Economics Letters},
	month = {Jun},
	number = {3},
	pages = {331--336},
	url = {http://www.sciencedirect.com/science/article/B6V84-4019C0S-F/2/339fdd42343e57a18d45d7e4eacaafc0},
	volume = {67},
	year = {2000},
	biburl = {http://www.bibsonomy.org/bibtex/2f19affc1a905f228901c7b7c68a8b511/smicha},
	description = {Economics Letters},
	keywords = {Flow data }
}