title: Interspecific Hybridization in Nicotiana. II. a Tetraploid GLUTINOSA-TABACUM Hybrid, an Experimental Verification of Winge's Hypothesis.
authors.affiliation: University of California, Berkeley, California.
authors.forename: R E
authors.initials: RE
authors.lastname: Clausen
authors.forename: T H
authors.initials: TH
authors.lastname: Goodspeed