Observations on birds in Somalia in 1978-1982, together with a bibliography of recent literaturePublished in Scopus, in 1988, in volume 11, pages 57-78Behaviour of Quelea quelea during an invasion of the species in Turkana, north-west KenyaPublished in Scopus, in 1988, in volume 11, pages 96Eastern African ringing report 1981-1987Published in Scopus, in 1988, in volume 12, pages 1-52
Behaviour of Quelea quelea during an invasion of the species in Turkana, north-west KenyaPublished in Scopus, in 1988, in volume 11, pages 96Eastern African ringing report 1981-1987Published in Scopus, in 1988, in volume 12, pages 1-52