@article {704,
	title = {Collection Data Registration at the Nationaal Herbarium Nederland: Data Guidelines},
	year = {2007},
	keywords = {Databasing},
	url = {http://www.nationaalherbarium.nl/virtual/Data-guidelines-NHN.pdf},
	author = {L. P. M. Willemse and J. B. Mols}
}
