% pubman genre = article @article{item_2172391, title = {{Are there age-related differences in the song repertoire size of Eurasian blackbirds?}}, author = {Hesler, Nana and Mundry, Roger and Dabelsteen, Torben}, language = {eng}, issn = {0873-9749}, doi = {10.1007/s10211-012-0127-z}, publisher = {Instituto Superior de Psicologia Aplicada and Sociedade Portuguesa de Etologia}, address = {Lisboa}, year = {2012}, date = {2012-10}, journal = {{Acta Ethologica}}, volume = {15}, number = {2}, pages = {203--210}, }