Transgenic Bt-producing Brassica napus: Plutella xylostella selection pressure and fitness of weedy relativesPeter Mason, Lorraine Braun, Suzanne I. Warwick, Bin Zhu and C. Neal Stewart Jr.Environ. Biosafety Res., 2 4 (2003) 263-276DOI: https://doi.org/10.1051/ebr:2003016