@article {8006,
	title = {La flore adventice de la r{\'e}gion de Verviers},
	journal = {Lejeunia},
	volume = {6},
	year = {1942},
	month = {1942///},
	pages = {99 - 119},
	author = {A. Vis{\'e}}
}
@article {8007,
	title = {Note sur quelques phan{\'e}rogames adventices},
	journal = {Lejeunia},
	volume = {15},
	year = {1951},
	month = {1951///},
	pages = {59 - 62},
	author = {J. Druet and J. Duvigneaud}
}
@article {8008,
	title = {Adventices laini{\`e}res r{\'e}colt{\'e}es dans la vall{\'e}e de la Vesdre en 1959},
	journal = {Lejeunia},
	volume = {23},
	year = {1959},
	month = {1959///},
	pages = {149 - 154},
	author = {J. Lambinon}
}
