000 00329 a2200145 4500
245 1 _aChoughs (Pyrrhocorax)
260 _aNew York
_c1954
650 _aPalearctic Birds
650 _aPyrrhocorax
100 1 _aVaurie, C.
_d
300 _a7 p.
440 _aNo. 4
_vAmerican Museum Novitates
942 _2udc
_cB
901 _a43176
999 _c53260
_d53260