Published in Scopus, in 2004, in volume 24, pages 33-39

Created: 2014-08-10, modified: 2014-08-10

Published in Bulletin of The African Bird Club, in 2014, in volume 21, issue 1, pages 85-86

Created: 2021-02-23, modified: 2021-02-23

Published in Scopus, in 2010, in volume 30, pages 12-25

Created: 2015-02-15, modified: 2015-02-15

Published in Bulletin of The African Bird Club, in 2003, in volume 10, issue 2, pages 94-100

Created: 2021-02-23, modified: 2021-02-23

Published in Bonn zoological Bulletin – Supplementum, in 2014, in volume 60, pages 7-8

Created: 2017-06-18, modified: 2017-06-18