Bt-transgenic oilseed rape hybridization with its weedy relative, Brassica rapaMatthew D. Halfhill, Reginald J. Millwood, Paul L. Raymer and C. Neal Stewart Jr.Environ. Biosafety Res., 1 1 (2002) 19-28DOI: https://doi.org/10.1051/ebr:2002002