J. Kappelhof, J. Weerman:The development of the Red panda Ailurus fulgens EEP: from a failing captive population to a stable population that provides effective support to in situ conservation. In: International Zoo Yearbook. Band54, Nr.1, Dezember 2020, ISSN0074-9664, S.102–112, doi:10.1111/izy.12278 (wiley.com[abgerufen am 27.Juni 2022]).
J. Kappelhof, J. Weerman:The development of the Red panda Ailurus fulgens EEP: from a failing captive population to a stable population that provides effective support to in situ conservation. In: International Zoo Yearbook. Band54, Nr.1, Dezember 2020, ISSN0074-9664, S.102–112, doi:10.1111/izy.12278 (wiley.com[abgerufen am 27.Juni 2022]).
J. Kappelhof, J. Weerman:The development of the Red panda Ailurus fulgens EEP: from a failing captive population to a stable population that provides effective support to in situ conservation. In: International Zoo Yearbook. Band54, Nr.1, Dezember 2020, ISSN0074-9664, S.102–112, doi:10.1111/izy.12278 (wiley.com[abgerufen am 27.Juni 2022]).