@inbook{inbook, title  = {{The role of the informal in the formal sphere}},

 url = {{}},

 year = {{2013}},

 month = {{1}},

 author = {{Williams CC and Round J and Rodgers P}},

 isbn = {{978-0-415-56721-3}},

 volume = {{116}},

 pages = {{77-106}},

 note = {{Accessed on 2024/12/22}}}