1
International conferences on the protection of the North Sea: ministerial declarations : Bremen, London, Den-Haag, 1984 ; 1987 ; 1990.
Book
1995
...UPVN - Ocean water, coastal waters...
2
International conference on the protection of the North Sea 0004: Esbjerg declaration : Esbjerg, 08.06.95-09.06.95.
Book
1995
...UPVN - Ocean water, coastal waters...
3
International conference on the protection of the North Sea . 4: progress report : Esbjerg, 08.06.95-09.06.95 /
Book
...UPVN - Ocean water, coastal waters...
4
Sitzung / Rheinisch-Westfälische Akademie der Wissenschaften. 363 : Düsseldorf, 6.12.89
Book
1990
...UPVN - Ocean water, coastal waters...