Zones humides du littoral de la Communauté européenne vues de l'espace : France, España, Portugal, Italia del nord 1991 Ménanteau, Loïc |
Teufelsmoor : Ergebnisse des Internationalen DJN-Lagers in Worpswede vom 27.7-10.8.1974 1974 Glöer, Peter |
Wetland management and restoration : proceedings of a workshop, Sweden, 12-15 September 1990 1991 Finlayson, C. M. (C. Max) | Larsson, Torsten |
Wetlands : status and trends in the conterminous United States mid-1970's to mid-1980's : first update of the national wetlands status report 1991 Dahl, Thomas E. | Johnson, Craig E. |