Evans MI and Fishpool LDC. 2001. Important Bird Areas in Africa and Associated Islands: Priority Sites for Conservation. Pisces Publications; Cambridge: Birdlife International
Chapter on Namibia:
- Simmons RE, Barnes KN, Boix-Hinzen C, Jarvis AM & Robertson A. 2001. Namibia. In: Important Bird Areas in Africa and associated islands: Priority sites for conservation. pp 639-660. Pisces Publications and BirdLife International. Newbury and Cambridge, UK.
ISBN 978-18743-57209