1. Genstat 5 Release 3 Reference Manual,1993
2. The ecology, management and benefits of earthworms in agricultural soils, with particular reference to southern Australia;Baker,1995
3. The abundance and diversity of earthworms in pasture soils in the Fleurieu peninsula, South Australia;Baker;Soil Biology and Biochemistry,1992
4. Distribution and abundance of earthworms in south-eastern Australia and their influence on the burial of lime;Baker,1993
5. Influence of lumbricid earthworms on yield and quality of wheat and clover;Baker;Soil Biology & Biochemistry,1997