Détail du congrès:
Congrès: CEC land and water use research programme, Gembloux, BEL, 20-21 october 1988 (1988; BEL) (1988) |
Congrès: CEC land and water use research programme, Gembloux, BEL, 20-21 october 1988 (1988; BEL) (1988) |