The Palaearctic-African bird migration systems.

Míreanna comhchosúla

• The migrations of birds.
  de réir: Dorst, Jean, 1924-
  Foilsithe / Cruthaithe: (1962)
• The migrations of birds /
  de réir: Dorst, Jean, 1924-
  Foilsithe / Cruthaithe: (1962)
• The migration of birds /
  de réir: Coward, T. A. (Thomas Alfred), 1867-1933
  Foilsithe / Cruthaithe: (1912)
• Bird migrations : ecological and physiological factors /
  Foilsithe / Cruthaithe: (1973)
• A review of the problems affecting palearctic migratory birds in Africa : the findings and recommendations resulting from the ICBP Migratory Birds Questionnaire /
  Foilsithe / Cruthaithe: (1987)