WINKELMAN JE (1986) Book reviews: Busse, P. 1984. Key to sexing and ageing of European passerines. LIMOSA 59 (4): 193-193.

BUSSE P. 1984. Key to sexing and ageing of European passerines. (Beitrage zur Naturkunde Niedersachsens 37, Sonderheft) 224 p.

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