Folia Historico-Naturalia Musei Matraensis - A Mátra Múzeum Természetrajzi Közleményei 21. (1996)
Plate XXXIX - Figures 1-5: sternum, lateral view, 1 = F subbuteo, 2 = F columbarius, 3 = F tinnunculus Ç, 4 = F naumanni, 5 = F vespertinus d - Figures 6-9: sternum, ventral view, 6 = F subbuteo d, 7 = F columbarius ?, 8 = F. tinnunculus d, 9 = F vespertinus d. 109
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