viaf :
https://viaf.org/viaf/56207961
Bree, Peter Johannes Hendrikus van
(1927 – 2011)
« Zoologiste néerlandais. » Bibliothèque Mondiale du Cheval
–
Breeding Przewalski horses in captivity for release into the wild.
Rotterdam, Foundation for the preservation and protection of the Przewalski horse, 1982.