European swallows Hirundo rustica in Botswana
1997
Van den Brink, Bennie |
Bijlsma, Rob G. |
van der Have, Tom M. |
WIWO report
Breeding waders at Medusa Bay, western Tamyr, in 1996
1997
Tulp, Ingrid |
Bruinzel, Leo |
Jukema, Joop |
Stepanova, Olga |
Mid-winter waterfowl census : Turkey, January 1987
1987
Dijksen, Kieuwe J. |
van der Wolf, Peter |
Notes on the birds of some wetlands in northeast Greece and Turkey : 6 July-6 August 1987
1987
Lensink, Rob |
An ornithological winter survey of Lake Turkana, Kenya
1987
Schekkerman, H. |
van Wetten J. C. J. |
Waterfowl in West African coastal wetlands : a summary of current knowledge of the occurrence of waterfowl in wetlands from Guinea-Bissau to Cameroon and a bibliography of information sources
1987
Altenburg, Wibe |