Détail du congrès:
Congrès: Congreso internacional del Haya;International Congress on Beech;Congres International du Hetre (1992/10/19-23; Pamplona, ESP) (1992/10/19-23) |
Congrès: Congreso internacional del Haya;International Congress on Beech;Congres International du Hetre (1992/10/19-23; Pamplona, ESP) (1992/10/19-23) |