@techreport{deploy185, number = {CS-TR-1179}, author = {Cliff B Jones}, address = {Newcastle upon Tyne }, title = {The role of auxiliary variables in the formal development of concurrent programs.}, type = {Technical Report}, publisher = {Newcastle University }, institution = {Newcastle University}, year = {2009}, url = {http://deploy-eprints.ecs.soton.ac.uk/185/} }