B. Feil; U. Weingartner; P. Stamp (2003). "Controlling the release of pollen from genetically modified maize and increasing its grain yield by growing mixtures of male-sterile and male-fertile plants". Euphytica. 130 (2): 163–165. doi:10.1023/a:1022843504598. S2CID6625150.
B. Feil; U. Weingartner; P. Stamp (2003). "Controlling the release of pollen from genetically modified maize and increasing its grain yield by growing mixtures of male-sterile and male-fertile plants". Euphytica. 130 (2): 163–165. doi:10.1023/a:1022843504598. S2CID6625150.