A study of the birds, small mammals, turtles and medicinal plants of São Tomé with notes on Príncipe : the report of the University of East Anglia - International Council for Bird Preservation expedition to São Tomé and Príncipe from June to September 1990 with recommendations for future activities on the islands /
Atkinson, Philip W.
BirdLife International.
International Council for Bird Preservation.
University of East Anglia.
Cambridge : BirdLife International,
[1994?]