Chapter 5 References
Bibby P, Shepherd J (2004). Developing a new classification of urban and rural areas for policy purposes–the methodology. London: Defra - see https://www.academia.edu/download/54884570/2001-rural-urban-definition-methodology-technical.pdf
Gale CG, Singleton AD, Bates AG, Longley PA (2016). Creating the 2011 area classification for output areas (2011 OAC). Journal of Spatial Information Science, 12:1-27 - see https://digitalcommons.library.umaine.edu/cgi/viewcontent.cgi?article=1076&context=josis