@book {8628,
	title = {Wolladventivflora Mitteleuropas. Vogt-Schild Ag},
	year = {1949},
	month = {1949///},
	publisher = {Solothurn},
	organization = {Solothurn},
	author = {R. Probst}
}
@article {7640,
	title = {Bromus inermis and B. pumpellianus in North America},
	journal = {Evolution},
	volume = {3},
	year = {1949},
	month = {1949///},
	pages = {142 - 149},
	author = {F.C. Elliott}
}
@article {7433,
	title = {Rumices asiatici. Vorarbeiten zu einer Monographie der Gattung Rumex VII},
	journal = {Candollea},
	volume = {12},
	year = {1949},
	month = {1949///},
	pages = {9 - 152},
	author = {K.H. Rechinger}
}
@article {7371,
	title = {Adventices int{\'e}ressantes de notre pays},
	journal = {Bull. Soc. Roy. Bot. Belg.},
	volume = {81},
	year = {1949},
	month = {1949///},
	pages = {40 - 44},
	author = {A. Lawalr{\'e}e}
}
@article {7344,
	title = {Dix esp{\`e}ces d_Amaranthus nouvelles pour la flore belge},
	journal = {Bull. Jard. Bot. Etat Brux},
	volume = {19},
	year = {1949},
	month = {1949///},
	pages = {243 - 250},
	author = {Jr, Kloos A. W.}
}
