@article {51134,
	title = {Shrub invasion of grassland: recruitment is continuous and not regulated by herbaceous biomas or density},
	journal = {Ecology},
	volume = {80},
	number = {7},
	year = {1999},
	month = {1999},
	pages = {2385-2396},
	keywords = {biomass, density, grassland, herbaceous},
	url = {/files/bibliography/99-011.pdf},
	author = {Joel R. Brown and Steven R. Archer}
}
