1. Performance of cob as a building material;Saxton;Struct. Eng.,1995
2. G. Minke, Earth construction handbook: the building material earth in modern architecture (2000).
3. Engineering properties of cob as a building material;Akinkurolere;J. Appl. Sci.,2006
4. Cob, a vernacular earth construction process in the context of modern sustainable building;Hamard;Build. Env.,2016
5. M. Greer, D. Short, Aspect of composite behaviour of cob. A Seminar paper on out of Earth II.University of Plymouth, 1996.