Tiainen, J., Hanski, I.K., Pakkala, T., Piiroinen, J. and Yrjöla, R. 1989. Clutch size, nestling growth and nestling mortality of the Starling Sturnus vulgaris in south Finnish agroenvironments. Ornis Fennica. 66, 1 (Mar. 1989), 41–48.