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Waterbird population estimates
compiled and edited by Simon Delany and D...
Bok Engelsk 2006
Waterbird population estimates
compiled and edited by Simon Delany and D...
Bok Engelsk 2002
CAFF Workshop on Conservation of Migratory Arctic Birds, Songli, Norway, 10-11 September 2000 : summary report /
CAFF Workshop on Conservation of Migratory Arctic Birds,
Bok Engelsk 2001
Global overview of the conservation of migratory Arctic breeding birds outside the arctic
Derek A. Scott
Bok Engelsk 1998
Atlas of Anatidae populations in Africa and Western Eurasia
Derek A. Scott and Paul M. Rose ; based o...
Bok Engelsk 1996
Atlas of anatidae populations in Africa and western Eurasia
by Derek A. Scott and Paul M. Rose
Bok Engelsk 1996