000 00671nam a2200193Ia 4500
008 170503s9999||||xx |||||||||||||| ||und||
080 _a598.2:57.082.13(410)(047)
100 1 _aSPENCER, Robert
245 0 _aReport on bird-ringing for 1972 /
_cby Robert Spencer and Robert Hudson.
260 _aHertfordshire :
_bBritish Trust for Ornithology,
_c1974
300 _a64 p.
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediaciĆ³n
500 _aSupl. especial de Bird Study. Vol. 21 (1974)
650 _aAves - Informe de anillamiento
942 _2cdu
942 _cBK
999 _c16850
_d16850