@book{5889,
	author = {Nagata, T.},
	title = {Somatic hybridization in crop improvement /},
	publisher = {Springer-Verlag,},
	year = {c1994-<c2001   >},
	address = {Berlin ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0815/94015685-d.html}
}