@book{52416,
	author = {Ferree, David C. and Ellis, M. A. and Ohio State University.},
	title = {Influence of rootstock and collar rot treatment on growth, yield and root development of golden delicious apple trees},
	publisher = {Ohio Agricultural Research and Development Center,},
	year = {1984},
	series = {Research circular},
	address = {Wooster, Ohio :}
}