Detecting (trans)gene flow to landraces in centers of crop origin: lessons from the case of maize in MexicoDavid A. Cleveland, Daniela Soleri, Flavio Aragón Cuevas, José Crossa and Paul GeptsEnviron. Biosafety Res., 4 4 (2005) 197-208DOI: https://doi.org/10.1051/ebr:2006006