J. Gessner

[PDF] Biology and Conservation of the European SturgeonAcipenser sturioL. 1758: The Reunion of the European and Atlantic Sturgeons P. Williot, E. Rochard, N. Desse-Berset, J. Gessner, F. Kirschbaum (auth.), Patrick Williot, Eric Rochard, Nathalie Desse-Berset, Frank Kirschbaum, J?rn Gessner (eds.)