@article {457,
	title = {Growth Analysis of Achillea millefolium L. (Yarrow) in the Presence and Absence of a Competitor-Hordeum vulgare L. (Barley)},
	journal = {New Phytologist},
	volume = {101},
	year = {1985},
	month = {11/1985},
	pages = {507-519},
	author = {G.W. Bourdot and R.J. Field and J.G.H. White}
}
