@book{56936,
	author = {Symposium on Breeding and Machine Harvesting of Rubus and Ribes. ( and Jennings, D. L.},
	title = {Proceedings},
	publisher = {International Society for Horticultural Science,},
	year = {1976},
	series = {Acta Horticulturae},
	address = {The Hague :}
}