1. Mole drainage for the reclamation of fine textured saline alkali soils;Cronin,1982
2. The drainage of farm lands;Hudson,1962
3. Experimental land drainage installation and the functioning of field drainage;Ede,1961
4. The mechanics of mole drainage;Childs;Empire Journal of Experimental Agriculture,1942
5. An experimental investigation into the force mechanics and resulting soil disturbance of mole ploughs;Godwin;Journal of Agricultural Engineering Research,1981