@book{21442,
	title = {Somatic cell genetics of woody plants. Proceedings of the IUFRO Working Party S2. 04-07 Somatic Cell Genetics, held in Grosshansdorf, Federal Republic of Germany August 10-13, 1987 /},
	publisher = {Kluwer Academic,},
	year = {(1988).},
	address = {Dordrecht :}
}