@article {611,
	title = {Non-lethal pathological infection of roots},
	journal = {Nature},
	volume = {191},
	year = {1961},
	pages = {615-616},
	doi = {10.1038/191615a0},
	url = {http://dx.doi.org/10.1038/191615a0},
	author = {Newhook, F. J.}
}
