@book{3277,
	author = {Umaerus, Magnhild. and Triennial Conference of the European Association for Potato Research (10: 1987: Ahlborg, Denmark)},
	title = {True potato seed},
	publisher = {Swedish University of Agricultural Sciences,},
	year = {[198?]},
	address = {Uppsala, Sweden :},
	note = {Ponencia presentada en: Triennial Conference of the European Association for Potato Research (10: 1987: Ahborg, Denmark}
}