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080 _a598.2:57.082.13(410)(047)
100 1 _aSPENCER, Robert
245 0 _aReport on bird-ringing for 1966 /
_cby Robert Spencer.
250 _arepr. --
260 _a[s.l. :
_b[s.n.],
_c1967
_e(Bedford :
_fDiemer & Reynolds)
300 _aP. 429-475
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediaciĆ³n
500 _aSep. de : British Birds. Vol. 60 (1967)
650 _aAves - Informe anillamiento
942 _2cdu
942 _cBK
999 _c16857
_d16857