@book{33999,
	author = {Department of Pomology Warsaw Agricultural University, Poland/Department of Pomology University of Horticulture and Food Industry Budapest, Hungary. and Apple rootstocks for intensive orchards},
	title = {Apple rootstocks for intensive orchards. Proceedings of the International Seminar /},
	publisher = {Warsaw Agricultural University - SGGW,},
	year = {1999.},
	address = {Warszawa :}
}