International conference on the conservation of wetlands and waterfowl : proceedings
1972
Carp, Erik |
Waterfowl
International regional meeting on conservation of wildfowl resources (Europe, western Asia, northern and tropical Africa), Leningrad, USSR, 25-30 September 1968 : proceedings
1970
Isakov, Yu. A. |
Shorebirds and larve waterbirds conservation : proceedings of two workshops held at St Aidan's College, Durham, United Kingdom, September 17-18, 1983
1983
Evans, P. R. |
Hafner, Heinz |
L'Hermite, P. |
International regional meeting on conservation of wildfowl resources, Europe, Western Asia, Northern and Tropical Africa, Leningrad, USSR, 25-30 September 1968 : proceedings
1970
Isakov, Yu. A. |
Ireland's wetland wealth : the birdlife of the estuaries, lakes, coasts, rivers, bogs and turloughs of Ireland
1993
Sheppard, Ralph |
Waterfowl and wetlands : toward bioeconomic analysis
1974
Hammack, Judd |
Brown, Gardner Mallard |
Etude du peuplement avien du parc national du Siné-Saloum (Sénégal)
Gowthorpe, Philippe |