| Authors(s) | Cramp, S. (chief ed.) |
| Year | 1977-1994 |
| Title | Handbook of the Birds of Europe, the Middle East and North Africa, Vols. I-IX. Oxford University Press, Oxford, London, New York. |
| Authors(s) | Cramp, S. (chief ed.) |
| Year | 1977-1994 |
| Title | Handbook of the Birds of Europe, the Middle East and North Africa, Vols. I-IX. Oxford University Press, Oxford, London, New York. |