http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Specıes Dıfferentıatıon In The Sectıon Tuberarıum of Solsnum Wıth Partıcular Reference To The Use of Interspecıfıc Hybrıdısatıon In Breedıng