This seems to be a PhD thesis ? Published work from the next year, with the same title and the same name introduced on p. 18 :Aquila chrysaetos simurgh Weesie, 1987
Peter D. M. Weesie, 1987
The Quaternary Avifauna of Crete, Greece
University of Utrecht. 90 pp., 9 plates
I don't have this paper and can't find it on line, so help is needed
Weesie PDM. 1988. The Quaternary Avifauna of Crete, Greece. Palaeovertebrata, 18 (1): 1-94.