Détail du congrès:
Congrès: International Symposium on River Ecology and the Impact of Man (1971/06/20-23; Amherst, Massachusetts, USA) (1971/06/20-23) |
Congrès: International Symposium on River Ecology and the Impact of Man (1971/06/20-23; Amherst, Massachusetts, USA) (1971/06/20-23) |