1. Practical aspects of sportsfield drainage;Adams;Soil Use and Management,1986
2. Mineralogy of clayey soils in relation to soil classification;Avery,1977
3. Development of a machine for laying plastic drains;Boa;Journal of Agricultural Engineering Research,1963
4. The mechanics of mole drainage;Childs;Empire Journal of Experimental Agriculture,1942
5. A laboratory method for investigating the stabilization of mole channels;Davies;Journal of Agricultural Engineering Research,1991