@article{journal, author = {Del Amo, L. and Ena, V.}, title = {Alimentaci{\'o}n de la Graja (Corvus frugilegus) durante el per{\'i}odo reproductor en la provincia de Le{\'o}n}, year = {1986}, volume = {10}, pages = {299--303}, journal = {Miscel·l{\`a}nia Zool{\`o}gica}, keywords = {Feeding, Rook, Corvus frugilegus, Breeding season} }