Ada-Europe '93 12th Ada-Europe International Conference, "Ada Sans Frontieres", Paris, France, June 14-18, 1993. Proceedings Gauthier Michel Heftet / 1993 / Engelsk
Gene Transfers and Environment Proceedings of the Third European Meeting on Bacterial Genetics and Ecology (BAGECO-3), 20–22 November 1991, Villefranche-sur-Mer, France Gauthier Michel J. Heftet / 2011 / Engelsk
