Détail du congrès:
Congrès: 16. international horticultural congress (1962/08/31-1962/09/08; Bruxelles; BEL) (1962/08/31-1962/09/08) |
Congrès: 16. international horticultural congress (1962/08/31-1962/09/08; Bruxelles; BEL) (1962/08/31-1962/09/08) |