Use of Radiotracking in France for Recent Studies Concerning the E.D.F. Fishways Program F. Travade, P. Bomassi, J. M. Bach, C. Brugel, P. Stein-bach, J. F. Luquet and G. Pustelnik Hydroécol. Appl., 1 (1989) 33-51 Published online: 01 May 2007 DOI: 10.1051/hydro:1989003