1. The value of gardens for wildlife - lessons from mammals and herpetofauna;Ansell;Br. Wildl.,2001
2. British wildlife and human numbers: the ultimate conservation issue?;Beebee;Br. Wildl.,2001
3. Land-use and avian species diversity along an urban gradient;Blair;Ecol. Appl.,1996
4. Does winter bird feeding promote dependency?;Brittingham;J. Field Ornithol.,1992