1. Assadi A (2014) Micromechanics of collapse in loess. Unpublished PhD thesis, University of Birmingham
2. Bell FG, Culshaw MG, Northmore KJ (2003) The metastability of some gull fill materials from Allington, Kent, UK. Q J Eng Geol Hydrogeol 36:217–229
3. Bell FG, Culshaw MG, Skinner HD (2012) Non-engineered fills. In: Burland J, Chapman T, Skinner H, Brown M (eds) ICE manual of geotechnical engineering, volume 1: geotechnical engineering principles, problematic soils and site investigation. ICE Publishing, London, pp 443–461
4. Culshaw MG, Northmore KJ, Jefferson I, Assadi A, Bell FG (2018) Collapsible soils in the UK. In: Giles DA (ed) Geological Hazards in the UK: their occurrence, monitoring and mitigation. Engineering geology special publication, vol 29. Geological Society, London, p xxx (in press)
5. Derbyshire E, Mellors TW (1988) Geological and geotechnical characteristics of some loess soils from China and Britain – a comparison. Eng Geol 25:135–175