@article {8400,
	title = {Naturverj{\"u}ngung kultivierter Pflanzenarten in G{\"a}rten},
	journal = {Verh. Berl. Bot. Ver},
	volume = {7},
	year = {1989},
	month = {1989///},
	pages = {3 - 30},
	author = {B. Kronenberg and I. Kowarik}
}
