@Article{boolean:15-mccarthy-2014-00-en, title = {Doughnuts and the Fourth Dimension}, author = {Alan McCarthy}, year = 2014, month = {June}, journal = {The Boolean}, volume = {2014}, number = {00}, pages = {71-75}, address = {Graduate Studies Office, University College Cork, Ireland}, issn = {}, url = {http://publish.ucc.ie/boolean/} }