Published in Scopus, in 2004, in volume 24, pages 11-20

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

Published in Bulletin of The African Bird Club, in 2001, in volume 8, issue 2, pages 91-94

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

Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 1, pages 59-70

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

Published in Scopus, in 1998, in volume 20, pages 52-53

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

Published in Acta Botánica Mexicana, in 2011, in volume 94, pages 1-25

Created: 2016-05-12, modified: 2017-04-27

Published in Bulletin of The African Bird Club, in 1996, in volume 3, issue 2, pages 96-98

Created: 2021-02-10, modified: 2021-02-10