@article {hansen1989testing,
	title = {Testing Port-Orford-cedar for resistance to Phytophthora.},
	journal = {Plant Disease},
	volume = {73},
	number = {10},
	year = {1989},
	pages = {791{\textendash}794},
	issn = {0191-2917},
	author = {Hansen, E.M. and P.B. Hamm and L.F. Roth}
}
