"A binary plant vector strategy based on separation of vir- and T-region of the Agrobacterium tumefaciens Ti-plasmid". Nature303 (5913): 179–180. May 1983. doi:10.1038/303179a0. Bibcode: 1983Natur.303..179H.
"A binary plant vector strategy based on separation of vir- and T-region of the Agrobacterium tumefaciens Ti-plasmid". Nature303 (5913): 179–180. May 1983. doi:10.1038/303179a0. Bibcode: 1983Natur.303..179H.