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APA Citation
Mentil, L., Monti, P., Fraticelli, F., & Carpaneto, G. M. (2018). a morphometric sexing approach for the Ring-necked Parakeet Psittacula krameri in Italy. Ringing & migration, 33(2), 64–67. http://access.bl.uk/ark:/81055/vdc_100105429107.0x00004b