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Notes on Individual and Sexual Bill Variation in the British Tree-creeper (Certhia familiaris Britannica Ridgway)
P. A. ClanceyVolume:
85
Year:
1943
Language:
english
Pages:
3
DOI:
10.1111/j.1474-919x.1943.tb03994.x
File:
PDF, 139 KB
english, 1943