Bird Study, 1998 Staff Author(s) Citation Siriwardena, G.M., Baillie, S.R. & Wilson, J.D. 1998. Variation in the survival rates of some British passerines with respect to their population trends on farmland. Bird Study 45: 292. doi:10.1080/00063659809461099 Staff author(s) Stephen Baillie Gavin Siriwardena