@article {7497,
	title = {Belangrijke vondsten van hogere planten in de periode 1994-1996 in Limburg},
	journal = {Dumortiera},
	volume = {68},
	year = {1997},
	month = {1997///},
	pages = {29 - 31},
	author = {Berten, B.}
}
@article {7498,
	title = {Calamintha menthifolia in uitbreiding in Nederlands Limburg: binnenkort ook {\textendash} opnieuw {\textendash} in Belgi{\"e}?},
	journal = {Dumortiera},
	volume = {94},
	year = {2008},
	month = {2008///},
	pages = {27 - 28},
	author = {Berten, B.}
}
