From "Lugdunum" to "Convenae": recent work on Saint-Bertrand-de-Comminges (Haute-Garonne) - Guyon, Jean 1945-; Aupert, Pierre 1941-; Dieulafait, Christine 19XX-; Fabre, Georges 1939-; Gallagher, James; Janon, Michel 1937-2010; Pailler, Jean-Marie 1943-; Paillet, Jean-Louis; Petit, C.; Sablayrolles, Robert 1949-; Schaad, Daniel; Schenk, J. -L; et al. (1991)