-
By: Balen, Bas van, - Suwelo, I S - Hadi, Dwi S. - Soepomo, D - Marlon, Reze
Type: Article
In: Forktail
Volume: 8
Series:
Issue:
Date: 1993
Page Range: 83--88
Publication Info: Oxford,
Subjects:
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By: Balen, Bas van, - Eggenkamp, H. H. (Erik)
Type: Article
In: Forktail
Volume: 27
Series:
Issue:
Date: 2011
Page Range: 91--92
Publication Info: Oxford,
Subjects:
-
By: Bashari, Hanom - Balen, Bas van,
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 134
Series:
Issue: 4
Date: 2014
Page Range: 302--304
Publication Info: London, British Ornithologists' Club, 1893-
Subjects:
-
By: Balen, Bas van,
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 118
Series:
Issue:
Date: 1998
Page Range: 118--119
Publication Info: London, British Ornithologists' Club, 1893-
Subjects:
-
By: Balen, Bas van,
Type: Article
In: Forktail
Volume: 13
Series:
Issue:
Date: 1998
Page Range: 121--122
Publication Info: Oxford,
Subjects:
-
By: Irham, Mohammad - Meuaard, E - Balen, Bas van,
Type: Article
In: Forktail
Volume: 28
Series:
Issue:
Date: 2012
Page Range: 162--163
Publication Info: Oxford,
Subjects:
-
By: Balen, Bas van,
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 121
Series:
Issue:
Date: 2001
Page Range: 94--98
Publication Info: London, British Ornithologists' Club, 1893-
Subjects:
-
By: Collar, Nigel J - Balen, Bas van,
Type: Article
In: Forktail
Volume: 29
Series:
Issue:
Date: 2013
Page Range: 15--18
Publication Info: Oxford,
Subjects:
-
By: Balen, Bas van, - Nijman, Vincent
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 116
Series:
Issue:
Date: 1996
Page Range: 173--174
Publication Info: London, British Ornithologists' Club, 1893-
Subjects:
-
By: Eaton, James A. (Conservationist) - Shepherd, C R - Rheindt, F E - Harris, J B C - Balen, Bas van, - Wilcove, David Samuel - Collar, Nigel J
Type: Article
In: Forktail
Volume: 31
Series:
Issue:
Date: 2015
Page Range: 1--12
Publication Info: Oxford,
Subjects:
-
By: Balen, Bas van,
Type: Article
In: The journal of raptor research
Volume: 32
Series:
Issue: 1
Date: 1998
Page Range: 56--63
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects: