1
Environmental biogeochemistry : Environmental biogeochemistry : International symposium 0005 : Stockholm, 01.06.81-05.06.81.
Book
...Statens Naturvetenskapliga Forskningsrad ecological bulletin ;...
2
Terrestrial nitrogen cycles : Processes, ecosystem strategies and management impacts. Proceedings of an international workshop : Oesterfaernebo, 16.09.79-22.09.79.
Book
...Statens Naturvetenskapliga Forskningsrad ecological bulletin ;...
3
Nitrogen, phosphorus and sulphur : Global cycles : Biogeochemical cycles : report from a project : Oersundsbro, 14.12.75-18.12.75.
Book
...Statens Naturvetenskapliga Forskningsrad ecological bulletin ;...